3x+31=15x-5

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Solution for 3x+31=15x-5 equation:


Simplifying
3x + 31 = 15x + -5

Reorder the terms:
31 + 3x = 15x + -5

Reorder the terms:
31 + 3x = -5 + 15x

Solving
31 + 3x = -5 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
31 + 3x + -15x = -5 + 15x + -15x

Combine like terms: 3x + -15x = -12x
31 + -12x = -5 + 15x + -15x

Combine like terms: 15x + -15x = 0
31 + -12x = -5 + 0
31 + -12x = -5

Add '-31' to each side of the equation.
31 + -31 + -12x = -5 + -31

Combine like terms: 31 + -31 = 0
0 + -12x = -5 + -31
-12x = -5 + -31

Combine like terms: -5 + -31 = -36
-12x = -36

Divide each side by '-12'.
x = 3

Simplifying
x = 3

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