3x+8+6x-28=90

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Solution for 3x+8+6x-28=90 equation:


Simplifying
3x + 8 + 6x + -28 = 90

Reorder the terms:
8 + -28 + 3x + 6x = 90

Combine like terms: 8 + -28 = -20
-20 + 3x + 6x = 90

Combine like terms: 3x + 6x = 9x
-20 + 9x = 90

Solving
-20 + 9x = 90

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 9x = 90 + 20

Combine like terms: -20 + 20 = 0
0 + 9x = 90 + 20
9x = 90 + 20

Combine like terms: 90 + 20 = 110
9x = 110

Divide each side by '9'.
x = 12.22222222

Simplifying
x = 12.22222222

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