71=120-(15+x+7.5)

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Solution for 71=120-(15+x+7.5) equation:


Simplifying
71 = 120 + -1(15 + x + 7.5)

Reorder the terms:
71 = 120 + -1(15 + 7.5 + x)

Combine like terms: 15 + 7.5 = 22.5
71 = 120 + -1(22.5 + x)
71 = 120 + (22.5 * -1 + x * -1)
71 = 120 + (-22.5 + -1x)

Combine like terms: 120 + -22.5 = 97.5
71 = 97.5 + -1x

Solving
71 = 97.5 + -1x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add 'x' to each side of the equation.
71 + x = 97.5 + -1x + x

Combine like terms: -1x + x = 0
71 + x = 97.5 + 0
71 + x = 97.5

Add '-71' to each side of the equation.
71 + -71 + x = 97.5 + -71

Combine like terms: 71 + -71 = 0
0 + x = 97.5 + -71
x = 97.5 + -71

Combine like terms: 97.5 + -71 = 26.5
x = 26.5

Simplifying
x = 26.5

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