6x+(x-8)=90

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Solution for 6x+(x-8)=90 equation:


Simplifying
6x + (x + -8) = 90

Reorder the terms:
6x + (-8 + x) = 90

Remove parenthesis around (-8 + x)
6x + -8 + x = 90

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

Combine like terms: 6x + x = 7x
-8 + 7x = 90

Solving
-8 + 7x = 90

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 7x = 90 + 8

Combine like terms: -8 + 8 = 0
0 + 7x = 90 + 8
7x = 90 + 8

Combine like terms: 90 + 8 = 98
7x = 98

Divide each side by '7'.
x = 14

Simplifying
x = 14

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