x+2x+7=11x+7+8

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Solution for x+2x+7=11x+7+8 equation:


Simplifying
x + 2x + 7 = 11x + 7 + 8

Reorder the terms:
7 + x + 2x = 11x + 7 + 8

Combine like terms: x + 2x = 3x
7 + 3x = 11x + 7 + 8

Reorder the terms:
7 + 3x = 7 + 8 + 11x

Combine like terms: 7 + 8 = 15
7 + 3x = 15 + 11x

Solving
7 + 3x = 15 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
7 + 3x + -11x = 15 + 11x + -11x

Combine like terms: 3x + -11x = -8x
7 + -8x = 15 + 11x + -11x

Combine like terms: 11x + -11x = 0
7 + -8x = 15 + 0
7 + -8x = 15

Add '-7' to each side of the equation.
7 + -7 + -8x = 15 + -7

Combine like terms: 7 + -7 = 0
0 + -8x = 15 + -7
-8x = 15 + -7

Combine like terms: 15 + -7 = 8
-8x = 8

Divide each side by '-8'.
x = -1

Simplifying
x = -1

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