9x-(2x-12)=54

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Solution for 9x-(2x-12)=54 equation:


Simplifying
9x + -1(2x + -12) = 54

Reorder the terms:
9x + -1(-12 + 2x) = 54
9x + (-12 * -1 + 2x * -1) = 54
9x + (12 + -2x) = 54

Reorder the terms:
12 + 9x + -2x = 54

Combine like terms: 9x + -2x = 7x
12 + 7x = 54

Solving
12 + 7x = 54

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 7x = 54 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = 54 + -12
7x = 54 + -12

Combine like terms: 54 + -12 = 42
7x = 42

Divide each side by '7'.
x = 6

Simplifying
x = 6

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