$\"\"$

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The equation is $\"\"$

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Addition property of equality: if $\"\"$ , then a + c = b + c.

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$\"\"$ (Add 5 to both sides)

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

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$\"\"$

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Division property of equality:

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Any numbers a, b and c, with $\"\"$ , if $\"\"$ then $\"\"$

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$\"\"$ (Divide each side by 1.8)

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$\"\"$ (Cancel common terms)

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

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$\"\"$

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Check:

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

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

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

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

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Compare the values, the equation is true. The solution is $\"\"$ .

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$\"\"$

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The solution is $\"\"$

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