31+3x-16=-15+3x+6x

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Solution for 31+3x-16=-15+3x+6x equation:


Simplifying
31 + 3x + -16 = -15 + 3x + 6x

Reorder the terms:
31 + -16 + 3x = -15 + 3x + 6x

Combine like terms: 31 + -16 = 15
15 + 3x = -15 + 3x + 6x

Combine like terms: 3x + 6x = 9x
15 + 3x = -15 + 9x

Solving
15 + 3x = -15 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
15 + 3x + -9x = -15 + 9x + -9x

Combine like terms: 3x + -9x = -6x
15 + -6x = -15 + 9x + -9x

Combine like terms: 9x + -9x = 0
15 + -6x = -15 + 0
15 + -6x = -15

Add '-15' to each side of the equation.
15 + -15 + -6x = -15 + -15

Combine like terms: 15 + -15 = 0
0 + -6x = -15 + -15
-6x = -15 + -15

Combine like terms: -15 + -15 = -30
-6x = -30

Divide each side by '-6'.
x = 5

Simplifying
x = 5

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