9[3-(-7x-8)]=126x+171

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Solution for 9[3-(-7x-8)]=126x+171 equation:


Simplifying
9[3 + -1(-7x + -8)] = 126x + 171

Reorder the terms:
9[3 + -1(-8 + -7x)] = 126x + 171
9[3 + (-8 * -1 + -7x * -1)] = 126x + 171
9[3 + (8 + 7x)] = 126x + 171

Combine like terms: 3 + 8 = 11
9[11 + 7x] = 126x + 171
[11 * 9 + 7x * 9] = 126x + 171
[99 + 63x] = 126x + 171

Reorder the terms:
99 + 63x = 171 + 126x

Solving
99 + 63x = 171 + 126x

Solving for variable 'x'.

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

Add '-126x' to each side of the equation.
99 + 63x + -126x = 171 + 126x + -126x

Combine like terms: 63x + -126x = -63x
99 + -63x = 171 + 126x + -126x

Combine like terms: 126x + -126x = 0
99 + -63x = 171 + 0
99 + -63x = 171

Add '-99' to each side of the equation.
99 + -99 + -63x = 171 + -99

Combine like terms: 99 + -99 = 0
0 + -63x = 171 + -99
-63x = 171 + -99

Combine like terms: 171 + -99 = 72
-63x = 72

Divide each side by '-63'.
x = -1.142857143

Simplifying
x = -1.142857143

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