72=8(-1+x)

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Solution for 72=8(-1+x) equation: 


Simplifying
72 = 8(-1 + x)
72 = (-1 * 8 + x * 8)
72 = (-8 + 8x)

Solving
72 = -8 + 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.
72 + -8x = -8 + 8x + -8x

Combine like terms: 8x + -8x = 0
72 + -8x = -8 + 0
72 + -8x = -8

Add '-72' to each side of the equation.
72 + -72 + -8x = -8 + -72

Combine like terms: 72 + -72 = 0
0 + -8x = -8 + -72
-8x = -8 + -72

Combine like terms: -8 + -72 = -80
-8x = -80

Divide each side by '-8'.
x = 10

Simplifying
x = 10

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