3x+x+7=2x-11

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Solution for 3x+x+7=2x-11 equation:


Simplifying
3x + x + 7 = 2x + -11

Reorder the terms:
7 + 3x + x = 2x + -11

Combine like terms: 3x + x = 4x
7 + 4x = 2x + -11

Reorder the terms:
7 + 4x = -11 + 2x

Solving
7 + 4x = -11 + 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.
7 + 4x + -2x = -11 + 2x + -2x

Combine like terms: 4x + -2x = 2x
7 + 2x = -11 + 2x + -2x

Combine like terms: 2x + -2x = 0
7 + 2x = -11 + 0
7 + 2x = -11

Add '-7' to each side of the equation.
7 + -7 + 2x = -11 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = -11 + -7
2x = -11 + -7

Combine like terms: -11 + -7 = -18
2x = -18

Divide each side by '2'.
x = -9

Simplifying
x = -9

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