15x+20-9x-12=68

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Solution for 15x+20-9x-12=68 equation:


Simplifying
15x + 20 + -9x + -12 = 68

Reorder the terms:
20 + -12 + 15x + -9x = 68

Combine like terms: 20 + -12 = 8
8 + 15x + -9x = 68

Combine like terms: 15x + -9x = 6x
8 + 6x = 68

Solving
8 + 6x = 68

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 + 6x = 68 + -8

Combine like terms: 8 + -8 = 0
0 + 6x = 68 + -8
6x = 68 + -8

Combine like terms: 68 + -8 = 60
6x = 60

Divide each side by '6'.
x = 10

Simplifying
x = 10

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