12-x+(x+3)=5x

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


Simplifying
12 + -1x + (x + 3) = 5x

Reorder the terms:
12 + -1x + (3 + x) = 5x

Remove parenthesis around (3 + x)
12 + -1x + 3 + x = 5x

Reorder the terms:
12 + 3 + -1x + x = 5x

Combine like terms: 12 + 3 = 15
15 + -1x + x = 5x

Combine like terms: -1x + x = 0
15 + 0 = 5x
15 = 5x

Solving
15 = 5x

Solving for variable 'x'.

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

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

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

Add '-15' to each side of the equation.
15 + -15 + -5x = 0 + -15

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

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

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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