3x+31=5(3x+3)-8

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Solution for 3x+31=5(3x+3)-8 equation:


Simplifying
3x + 31 = 5(3x + 3) + -8

Reorder the terms:
31 + 3x = 5(3x + 3) + -8

Reorder the terms:
31 + 3x = 5(3 + 3x) + -8
31 + 3x = (3 * 5 + 3x * 5) + -8
31 + 3x = (15 + 15x) + -8

Reorder the terms:
31 + 3x = 15 + -8 + 15x

Combine like terms: 15 + -8 = 7
31 + 3x = 7 + 15x

Solving
31 + 3x = 7 + 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 = 7 + 15x + -15x

Combine like terms: 3x + -15x = -12x
31 + -12x = 7 + 15x + -15x

Combine like terms: 15x + -15x = 0
31 + -12x = 7 + 0
31 + -12x = 7

Add '-31' to each side of the equation.
31 + -31 + -12x = 7 + -31

Combine like terms: 31 + -31 = 0
0 + -12x = 7 + -31
-12x = 7 + -31

Combine like terms: 7 + -31 = -24
-12x = -24

Divide each side by '-12'.
x = 2

Simplifying
x = 2

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