4+3=6x-8+3x-12

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Solution for 4+3=6x-8+3x-12 equation:


Simplifying
4 + 3 = 6x + -8 + 3x + -12

Combine like terms: 4 + 3 = 7
7 = 6x + -8 + 3x + -12

Reorder the terms:
7 = -8 + -12 + 6x + 3x

Combine like terms: -8 + -12 = -20
7 = -20 + 6x + 3x

Combine like terms: 6x + 3x = 9x
7 = -20 + 9x

Solving
7 = -20 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
7 + -9x = -20 + 9x + -9x

Combine like terms: 9x + -9x = 0
7 + -9x = -20 + 0
7 + -9x = -20

Add '-7' to each side of the equation.
7 + -7 + -9x = -20 + -7

Combine like terms: 7 + -7 = 0
0 + -9x = -20 + -7
-9x = -20 + -7

Combine like terms: -20 + -7 = -27
-9x = -27

Divide each side by '-9'.
x = 3

Simplifying
x = 3

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