4x-11+9x+8+2x-12=90

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Solution for 4x-11+9x+8+2x-12=90 equation:


Simplifying
4x + -11 + 9x + 8 + 2x + -12 = 90

Reorder the terms:
-11 + 8 + -12 + 4x + 9x + 2x = 90

Combine like terms: -11 + 8 = -3
-3 + -12 + 4x + 9x + 2x = 90

Combine like terms: -3 + -12 = -15
-15 + 4x + 9x + 2x = 90

Combine like terms: 4x + 9x = 13x
-15 + 13x + 2x = 90

Combine like terms: 13x + 2x = 15x
-15 + 15x = 90

Solving
-15 + 15x = 90

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 15x = 90 + 15

Combine like terms: -15 + 15 = 0
0 + 15x = 90 + 15
15x = 90 + 15

Combine like terms: 90 + 15 = 105
15x = 105

Divide each side by '15'.
x = 7

Simplifying
x = 7

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