(6x-9)+(8x+1)=90

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Solution for (6x-9)+(8x+1)=90 equation:


Simplifying
(6x + -9) + (8x + 1) = 90

Reorder the terms:
(-9 + 6x) + (8x + 1) = 90

Remove parenthesis around (-9 + 6x)
-9 + 6x + (8x + 1) = 90

Reorder the terms:
-9 + 6x + (1 + 8x) = 90

Remove parenthesis around (1 + 8x)
-9 + 6x + 1 + 8x = 90

Reorder the terms:
-9 + 1 + 6x + 8x = 90

Combine like terms: -9 + 1 = -8
-8 + 6x + 8x = 90

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

Solving
-8 + 14x = 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 + 14x = 90 + 8

Combine like terms: -8 + 8 = 0
0 + 14x = 90 + 8
14x = 90 + 8

Combine like terms: 90 + 8 = 98
14x = 98

Divide each side by '14'.
x = 7

Simplifying
x = 7

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