X+4+2x-7=12

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Solution for X+4+2x-7=12 equation:


Simplifying
X + 4 + 2x + -7 = 12

Reorder the terms:
4 + -7 + X + 2x = 12

Combine like terms: 4 + -7 = -3
-3 + X + 2x = 12

Solving
-3 + X + 2x = 12

Solving for variable 'X'.

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

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

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

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

Combine like terms: 12 + 3 = 15
X + 2x = 15

Add '-2x' to each side of the equation.
X + 2x + -2x = 15 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 15 + -2x
X = 15 + -2x

Simplifying
X = 15 + -2x

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