-3x-7=8+6x+12

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Solution for -3x-7=8+6x+12 equation:


Simplifying
-3x + -7 = 8 + 6x + 12

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

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

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

Solving
-7 + -3x = 20 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-7 + -3x + -6x = 20 + 6x + -6x

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

Combine like terms: 6x + -6x = 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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