12x-(2x-9)=99

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Solution for 12x-(2x-9)=99 equation:


Simplifying
12x + -1(2x + -9) = 99

Reorder the terms:
12x + -1(-9 + 2x) = 99
12x + (-9 * -1 + 2x * -1) = 99
12x + (9 + -2x) = 99

Reorder the terms:
9 + 12x + -2x = 99

Combine like terms: 12x + -2x = 10x
9 + 10x = 99

Solving
9 + 10x = 99

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 10x = 99 + -9

Combine like terms: 9 + -9 = 0
0 + 10x = 99 + -9
10x = 99 + -9

Combine like terms: 99 + -9 = 90
10x = 90

Divide each side by '10'.
x = 9

Simplifying
x = 9

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