8x+21x-12=180

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Solution for 8x+21x-12=180 equation:


Simplifying
8x + 21x + -12 = 180

Reorder the terms:
-12 + 8x + 21x = 180

Combine like terms: 8x + 21x = 29x
-12 + 29x = 180

Solving
-12 + 29x = 180

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 29x = 180 + 12

Combine like terms: -12 + 12 = 0
0 + 29x = 180 + 12
29x = 180 + 12

Combine like terms: 180 + 12 = 192
29x = 192

Divide each side by '29'.
x = 6.620689655

Simplifying
x = 6.620689655

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