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

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


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

Reorder the terms:
7x + -8(9 + -2x) = 12
7x + (9 * -8 + -2x * -8) = 12
7x + (-72 + 16x) = 12

Reorder the terms:
-72 + 7x + 16x = 12

Combine like terms: 7x + 16x = 23x
-72 + 23x = 12

Solving
-72 + 23x = 12

Solving for variable 'x'.

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

Add '72' to each side of the equation.
-72 + 72 + 23x = 12 + 72

Combine like terms: -72 + 72 = 0
0 + 23x = 12 + 72
23x = 12 + 72

Combine like terms: 12 + 72 = 84
23x = 84

Divide each side by '23'.
x = 3.652173913

Simplifying
x = 3.652173913

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