-3-9=8x+6-7x

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Solution for -3-9=8x+6-7x equation:


Simplifying
-3 + -9 = 8x + 6 + -7x

Combine like terms: -3 + -9 = -12
-12 = 8x + 6 + -7x

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

Combine like terms: 8x + -7x = 1x
-12 = 6 + 1x

Solving
-12 = 6 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-12 + -1x = 6 + 1x + -1x

Combine like terms: 1x + -1x = 0
-12 + -1x = 6 + 0
-12 + -1x = 6

Add '12' to each side of the equation.
-12 + 12 + -1x = 6 + 12

Combine like terms: -12 + 12 = 0
0 + -1x = 6 + 12
-1x = 6 + 12

Combine like terms: 6 + 12 = 18
-1x = 18

Divide each side by '-1'.
x = -18

Simplifying
x = -18

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