2x+12+6x-2+5x-9=90

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Solution for 2x+12+6x-2+5x-9=90 equation:


Simplifying
2x + 12 + 6x + -2 + 5x + -9 = 90

Reorder the terms:
12 + -2 + -9 + 2x + 6x + 5x = 90

Combine like terms: 12 + -2 = 10
10 + -9 + 2x + 6x + 5x = 90

Combine like terms: 10 + -9 = 1
1 + 2x + 6x + 5x = 90

Combine like terms: 2x + 6x = 8x
1 + 8x + 5x = 90

Combine like terms: 8x + 5x = 13x
1 + 13x = 90

Solving
1 + 13x = 90

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 13x = 90 + -1

Combine like terms: 1 + -1 = 0
0 + 13x = 90 + -1
13x = 90 + -1

Combine like terms: 90 + -1 = 89
13x = 89

Divide each side by '13'.
x = 6.846153846

Simplifying
x = 6.846153846

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