8x-1+15x+3x+9=90

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Solution for 8x-1+15x+3x+9=90 equation:


Simplifying
8x + -1 + 15x + 3x + 9 = 90

Reorder the terms:
-1 + 9 + 8x + 15x + 3x = 90

Combine like terms: -1 + 9 = 8
8 + 8x + 15x + 3x = 90

Combine like terms: 8x + 15x = 23x
8 + 23x + 3x = 90

Combine like terms: 23x + 3x = 26x
8 + 26x = 90

Solving
8 + 26x = 90

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 26x = 90 + -8

Combine like terms: 8 + -8 = 0
0 + 26x = 90 + -8
26x = 90 + -8

Combine like terms: 90 + -8 = 82
26x = 82

Divide each side by '26'.
x = 3.153846154

Simplifying
x = 3.153846154

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