3x+x-13+4+-6x=12

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Solution for 3x+x-13+4+-6x=12 equation:


Simplifying
3x + x + -13 + 4 + -6x = 12

Reorder the terms:
-13 + 4 + 3x + x + -6x = 12

Combine like terms: -13 + 4 = -9
-9 + 3x + x + -6x = 12

Combine like terms: 3x + x = 4x
-9 + 4x + -6x = 12

Combine like terms: 4x + -6x = -2x
-9 + -2x = 12

Solving
-9 + -2x = 12

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 + -2x = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -2x = 12 + 9
-2x = 12 + 9

Combine like terms: 12 + 9 = 21
-2x = 21

Divide each side by '-2'.
x = -10.5

Simplifying
x = -10.5

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