5x+12=42-4x

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Solution for 5x+12=42-4x equation:


Simplifying
5x + 12 = 42 + -4x

Reorder the terms:
12 + 5x = 42 + -4x

Solving
12 + 5x = 42 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
12 + 5x + 4x = 42 + -4x + 4x

Combine like terms: 5x + 4x = 9x
12 + 9x = 42 + -4x + 4x

Combine like terms: -4x + 4x = 0
12 + 9x = 42 + 0
12 + 9x = 42

Add '-12' to each side of the equation.
12 + -12 + 9x = 42 + -12

Combine like terms: 12 + -12 = 0
0 + 9x = 42 + -12
9x = 42 + -12

Combine like terms: 42 + -12 = 30
9x = 30

Divide each side by '9'.
x = 3.333333333

Simplifying
x = 3.333333333

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