$\"\"$

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Solve the system of equation using Elimination Method:

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The equations are

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$\"\"$ Equation (1)

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$\"\"$ Equation (2)

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Eliminate the variable m by subtracting the equation (2) from (1).

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

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Substitute 6 for m in equation (1).

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$\"\"$

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

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Apply subtraction property of equality; if a = b, then $\"\"$ .

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$\"\"$ (Subtract 30 from each side)

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Apply commutative property of addition: $\"\"$ .

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$\"\"$

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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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The solution is $\"\"$ $\"\"$

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The solution is $\"\"$ .