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

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The given equation is $\"\"$ .

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Apply to subtraction property of equality: Subtract 1.75b from each side.

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$\"\"$

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Rearrange the terms using commutative property of addition: $\"\"$ .

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$\"\"$

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

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Apply to subtraction property of equality: Subtract 3.81 from each side.

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$\"\"$

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

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Apply to divison property of equality: Divide each side by 0.5.

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$\"\"$

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

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Verify:

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

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$\"\"$

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

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

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

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The value of $\"\"$ .