9(x+2)-(7-8x)=12x

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Solution for 9(x+2)-(7-8x)=12x equation:


Simplifying
9(x + 2) + -1(7 + -8x) = 12x

Reorder the terms:
9(2 + x) + -1(7 + -8x) = 12x
(2 * 9 + x * 9) + -1(7 + -8x) = 12x
(18 + 9x) + -1(7 + -8x) = 12x
18 + 9x + (7 * -1 + -8x * -1) = 12x
18 + 9x + (-7 + 8x) = 12x

Reorder the terms:
18 + -7 + 9x + 8x = 12x

Combine like terms: 18 + -7 = 11
11 + 9x + 8x = 12x

Combine like terms: 9x + 8x = 17x
11 + 17x = 12x

Solving
11 + 17x = 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
11 + 17x + -12x = 12x + -12x

Combine like terms: 17x + -12x = 5x
11 + 5x = 12x + -12x

Combine like terms: 12x + -12x = 0
11 + 5x = 0

Add '-11' to each side of the equation.
11 + -11 + 5x = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 5x = 0 + -11
5x = 0 + -11

Combine like terms: 0 + -11 = -11
5x = -11

Divide each side by '5'.
x = -2.2

Simplifying
x = -2.2

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