x+2x-12+x=-3+2x

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Solution for x+2x-12+x=-3+2x equation:


Simplifying
x + 2x + -12 + x = -3 + 2x

Reorder the terms:
-12 + x + 2x + x = -3 + 2x

Combine like terms: x + 2x = 3x
-12 + 3x + x = -3 + 2x

Combine like terms: 3x + x = 4x
-12 + 4x = -3 + 2x

Solving
-12 + 4x = -3 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-12 + 4x + -2x = -3 + 2x + -2x

Combine like terms: 4x + -2x = 2x
-12 + 2x = -3 + 2x + -2x

Combine like terms: 2x + -2x = 0
-12 + 2x = -3 + 0
-12 + 2x = -3

Add '12' to each side of the equation.
-12 + 12 + 2x = -3 + 12

Combine like terms: -12 + 12 = 0
0 + 2x = -3 + 12
2x = -3 + 12

Combine like terms: -3 + 12 = 9
2x = 9

Divide each side by '2'.
x = 4.5

Simplifying
x = 4.5

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