9-3x-5+x+15=90

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Solution for 9-3x-5+x+15=90 equation:


Simplifying
9 + -3x + -5 + x + 15 = 90

Reorder the terms:
9 + -5 + 15 + -3x + x = 90

Combine like terms: 9 + -5 = 4
4 + 15 + -3x + x = 90

Combine like terms: 4 + 15 = 19
19 + -3x + x = 90

Combine like terms: -3x + x = -2x
19 + -2x = 90

Solving
19 + -2x = 90

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + -2x = 90 + -19

Combine like terms: 19 + -19 = 0
0 + -2x = 90 + -19
-2x = 90 + -19

Combine like terms: 90 + -19 = 71
-2x = 71

Divide each side by '-2'.
x = -35.5

Simplifying
x = -35.5

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