5x+31=3(x+12)

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Solution for 5x+31=3(x+12) equation:


Simplifying
5x + 31 = 3(x + 12)

Reorder the terms:
31 + 5x = 3(x + 12)

Reorder the terms:
31 + 5x = 3(12 + x)
31 + 5x = (12 * 3 + x * 3)
31 + 5x = (36 + 3x)

Solving
31 + 5x = 36 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
31 + 5x + -3x = 36 + 3x + -3x

Combine like terms: 5x + -3x = 2x
31 + 2x = 36 + 3x + -3x

Combine like terms: 3x + -3x = 0
31 + 2x = 36 + 0
31 + 2x = 36

Add '-31' to each side of the equation.
31 + -31 + 2x = 36 + -31

Combine like terms: 31 + -31 = 0
0 + 2x = 36 + -31
2x = 36 + -31

Combine like terms: 36 + -31 = 5
2x = 5

Divide each side by '2'.
x = 2.5

Simplifying
x = 2.5

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