15x+2x-6-9x=20

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Solution for 15x+2x-6-9x=20 equation:


Simplifying
15x + 2x + -6 + -9x = 20

Reorder the terms:
-6 + 15x + 2x + -9x = 20

Combine like terms: 15x + 2x = 17x
-6 + 17x + -9x = 20

Combine like terms: 17x + -9x = 8x
-6 + 8x = 20

Solving
-6 + 8x = 20

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 8x = 20 + 6

Combine like terms: -6 + 6 = 0
0 + 8x = 20 + 6
8x = 20 + 6

Combine like terms: 20 + 6 = 26
8x = 26

Divide each side by '8'.
x = 3.25

Simplifying
x = 3.25

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