9(x-7)-8=91

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Solution for 9(x-7)-8=91 equation:


Simplifying
9(x + -7) + -8 = 91

Reorder the terms:
9(-7 + x) + -8 = 91
(-7 * 9 + x * 9) + -8 = 91
(-63 + 9x) + -8 = 91

Reorder the terms:
-63 + -8 + 9x = 91

Combine like terms: -63 + -8 = -71
-71 + 9x = 91

Solving
-71 + 9x = 91

Solving for variable 'x'.

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

Add '71' to each side of the equation.
-71 + 71 + 9x = 91 + 71

Combine like terms: -71 + 71 = 0
0 + 9x = 91 + 71
9x = 91 + 71

Combine like terms: 91 + 71 = 162
9x = 162

Divide each side by '9'.
x = 18

Simplifying
x = 18

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