$\"\"$ $\"\"$ $\"\"$

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The equations are

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$\"\"$ Equation (1)

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$\"\"$ Equation (2)

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Substitute $\"\"$ in equation 1.

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$\"\"$ $\"\"$

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According to subtraction property of equality: Subtract 2x from each side.

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$\"\"$

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$\"\"$ (Apply commutative property of addition: $\"\"$ )

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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$\"\"$ (Apply additive identity property: $\"\"$ ) $\"\"$

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Find the least common denominator(LCD)

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Multiples of 2:2,4,6,10,12,14,16.....

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Multiples of 1:1,2,3,4,5,6,7,8,9,10....

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The least common multiple of 2 and 1 is 2.

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Rewrite each fraction with a common denominator of 2.

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$\"\"$

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$\"\"$ $\"\"$

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Rewrite the expression using common denominator.

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$\"\"$

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$\"\"$

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$\"\"$ (Subtract: $\"\"$ ) $\"\"$ $\"\"$ (Subtract 3 from each side)

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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$\"\"$ (Apply additive identity property: $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ ) $\"\"$

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According to multiplication property of equality: Multiply each side by 2.

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$\"\"$

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$\"\"$ (Cancel common terms)

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Divide each side by 3)

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$\"\"$ (Cancel common terms)

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$\"\"$ (Multiply each side by negative one)

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$\"\"$ (Product of two same signs is positive)

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$\"\"$ (Divide: $\"\"$ ) $\"\"$

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Substitute $\"\"$ in equation (2).

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$\"\"$

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Subtract: $\"\"$ ) $\"\"$

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The solution is $\"\"$ .