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1 3x 15 18

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-1/3x+15=18

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Answer to a math question -1/3x+15=18

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100 Answers

Multiply both sides of the equation by $3$

$-x+45=54$

Move the constant to the right-hand side and change its sign

$-x=54-45$

Subtract the numbers

$-x=9$

Change the signs on both sides of the equation

$x=-9$

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