15x-20=12x+31

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Solution for 15x-20=12x+31 equation:


Simplifying
15x + -20 = 12x + 31

Reorder the terms:
-20 + 15x = 12x + 31

Reorder the terms:
-20 + 15x = 31 + 12x

Solving
-20 + 15x = 31 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-20 + 15x + -12x = 31 + 12x + -12x

Combine like terms: 15x + -12x = 3x
-20 + 3x = 31 + 12x + -12x

Combine like terms: 12x + -12x = 0
-20 + 3x = 31 + 0
-20 + 3x = 31

Add '20' to each side of the equation.
-20 + 20 + 3x = 31 + 20

Combine like terms: -20 + 20 = 0
0 + 3x = 31 + 20
3x = 31 + 20

Combine like terms: 31 + 20 = 51
3x = 51

Divide each side by '3'.
x = 17

Simplifying
x = 17

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