$\"\"$

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Given equation is $\"\"$ . \ \

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$\"\"$ (Add 9 to each side) \ \

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$\"\"$ (Additive inverse property: $\"\"$ ) \ \

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$\"\"$ (Add: $\"\"$ ) \ \

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$\"\"$ (Divide each side by 4) \ \

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$\"\"$ (Cancel common terms) \ \

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

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Check:-

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To check the solution substitute $\"\"$ in equation $\"\"$ .

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$\"\"$ (Substitute $\"\"$ ) \ \

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

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

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Hence the solution is true. \ \ $\"\"$

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