(7X-6)+(8X+6)=90

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Solution for (7X-6)+(8X+6)=90 equation:


Simplifying
(7X + -6) + (8X + 6) = 90

Reorder the terms:
(-6 + 7X) + (8X + 6) = 90

Remove parenthesis around (-6 + 7X)
-6 + 7X + (8X + 6) = 90

Reorder the terms:
-6 + 7X + (6 + 8X) = 90

Remove parenthesis around (6 + 8X)
-6 + 7X + 6 + 8X = 90

Reorder the terms:
-6 + 6 + 7X + 8X = 90

Combine like terms: -6 + 6 = 0
0 + 7X + 8X = 90
7X + 8X = 90

Combine like terms: 7X + 8X = 15X
15X = 90

Solving
15X = 90

Solving for variable 'X'.

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

Divide each side by '15'.
X = 6

Simplifying
X = 6

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