(8x+12)+2x+21=21

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Solution for (8x+12)+2x+21=21 equation:


Simplifying
(8x + 12) + 2x + 21 = 21

Reorder the terms:
(12 + 8x) + 2x + 21 = 21

Remove parenthesis around (12 + 8x)
12 + 8x + 2x + 21 = 21

Reorder the terms:
12 + 21 + 8x + 2x = 21

Combine like terms: 12 + 21 = 33
33 + 8x + 2x = 21

Combine like terms: 8x + 2x = 10x
33 + 10x = 21

Solving
33 + 10x = 21

Solving for variable 'x'.

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

Add '-33' to each side of the equation.
33 + -33 + 10x = 21 + -33

Combine like terms: 33 + -33 = 0
0 + 10x = 21 + -33
10x = 21 + -33

Combine like terms: 21 + -33 = -12
10x = -12

Divide each side by '10'.
x = -1.2

Simplifying
x = -1.2

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