71=8x-(-15)

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Solution for 71=8x-(-15) equation:


Simplifying
71 = 8x + -1(-15)

Multiply -1 * -15
71 = 8x + 15

Reorder the terms:
71 = 15 + 8x

Solving
71 = 15 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
71 + -8x = 15 + 8x + -8x

Combine like terms: 8x + -8x = 0
71 + -8x = 15 + 0
71 + -8x = 15

Add '-71' to each side of the equation.
71 + -71 + -8x = 15 + -71

Combine like terms: 71 + -71 = 0
0 + -8x = 15 + -71
-8x = 15 + -71

Combine like terms: 15 + -71 = -56
-8x = -56

Divide each side by '-8'.
x = 7

Simplifying
x = 7

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