5x+12=21-6x

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Solution for 5x+12=21-6x equation:


Simplifying
5x + 12 = 21 + -6x

Reorder the terms:
12 + 5x = 21 + -6x

Solving
12 + 5x = 21 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
12 + 5x + 6x = 21 + -6x + 6x

Combine like terms: 5x + 6x = 11x
12 + 11x = 21 + -6x + 6x

Combine like terms: -6x + 6x = 0
12 + 11x = 21 + 0
12 + 11x = 21

Add '-12' to each side of the equation.
12 + -12 + 11x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 11x = 21 + -12
11x = 21 + -12

Combine like terms: 21 + -12 = 9
11x = 9

Divide each side by '11'.
x = 0.8181818182

Simplifying
x = 0.8181818182

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