3(7-2x)-12=8-7x

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Solution for 3(7-2x)-12=8-7x equation:


Simplifying
3(7 + -2x) + -12 = 8 + -7x
(7 * 3 + -2x * 3) + -12 = 8 + -7x
(21 + -6x) + -12 = 8 + -7x

Reorder the terms:
21 + -12 + -6x = 8 + -7x

Combine like terms: 21 + -12 = 9
9 + -6x = 8 + -7x

Solving
9 + -6x = 8 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
9 + -6x + 7x = 8 + -7x + 7x

Combine like terms: -6x + 7x = 1x
9 + 1x = 8 + -7x + 7x

Combine like terms: -7x + 7x = 0
9 + 1x = 8 + 0
9 + 1x = 8

Add '-9' to each side of the equation.
9 + -9 + 1x = 8 + -9

Combine like terms: 9 + -9 = 0
0 + 1x = 8 + -9
1x = 8 + -9

Combine like terms: 8 + -9 = -1
1x = -1

Divide each side by '1'.
x = -1

Simplifying
x = -1

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