2(9x+-1)=99-7(3+-4x)

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Solution for 2(9x+-1)=99-7(3+-4x) equation:


Simplifying
2(9x + -1) = 99 + -7(3 + -4x)

Reorder the terms:
2(-1 + 9x) = 99 + -7(3 + -4x)
(-1 * 2 + 9x * 2) = 99 + -7(3 + -4x)
(-2 + 18x) = 99 + -7(3 + -4x)
-2 + 18x = 99 + (3 * -7 + -4x * -7)
-2 + 18x = 99 + (-21 + 28x)

Combine like terms: 99 + -21 = 78
-2 + 18x = 78 + 28x

Solving
-2 + 18x = 78 + 28x

Solving for variable 'x'.

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

Add '-28x' to each side of the equation.
-2 + 18x + -28x = 78 + 28x + -28x

Combine like terms: 18x + -28x = -10x
-2 + -10x = 78 + 28x + -28x

Combine like terms: 28x + -28x = 0
-2 + -10x = 78 + 0
-2 + -10x = 78

Add '2' to each side of the equation.
-2 + 2 + -10x = 78 + 2

Combine like terms: -2 + 2 = 0
0 + -10x = 78 + 2
-10x = 78 + 2

Combine like terms: 78 + 2 = 80
-10x = 80

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

Simplifying
x = -8

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