-80=-8(x-9)

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Solution for -80=-8(x-9) equation:


Simplifying
-80 = -8(x + -9)

Reorder the terms:
-80 = -8(-9 + x)
-80 = (-9 * -8 + x * -8)
-80 = (72 + -8x)

Solving
-80 = 72 + -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.
-80 + 8x = 72 + -8x + 8x

Combine like terms: -8x + 8x = 0
-80 + 8x = 72 + 0
-80 + 8x = 72

Add '80' to each side of the equation.
-80 + 80 + 8x = 72 + 80

Combine like terms: -80 + 80 = 0
0 + 8x = 72 + 80
8x = 72 + 80

Combine like terms: 72 + 80 = 152
8x = 152

Divide each side by '8'.
x = 19

Simplifying
x = 19

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