3x-9x+7=90

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Solution for 3x-9x+7=90 equation:


Simplifying
3x + -9x + 7 = 90

Reorder the terms:
7 + 3x + -9x = 90

Combine like terms: 3x + -9x = -6x
7 + -6x = 90

Solving
7 + -6x = 90

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -6x = 90 + -7

Combine like terms: 7 + -7 = 0
0 + -6x = 90 + -7
-6x = 90 + -7

Combine like terms: 90 + -7 = 83
-6x = 83

Divide each side by '-6'.
x = -13.83333333

Simplifying
x = -13.83333333

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