8x-21+6x+27=90

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Solution for 8x-21+6x+27=90 equation:


Simplifying
8x + -21 + 6x + 27 = 90

Reorder the terms:
-21 + 27 + 8x + 6x = 90

Combine like terms: -21 + 27 = 6
6 + 8x + 6x = 90

Combine like terms: 8x + 6x = 14x
6 + 14x = 90

Solving
6 + 14x = 90

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 14x = 90 + -6

Combine like terms: 6 + -6 = 0
0 + 14x = 90 + -6
14x = 90 + -6

Combine like terms: 90 + -6 = 84
14x = 84

Divide each side by '14'.
x = 6

Simplifying
x = 6

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