(3x-7)+(11x-1)=90

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Solution for (3x-7)+(11x-1)=90 equation:


Simplifying
(3x + -7) + (11x + -1) = 90

Reorder the terms:
(-7 + 3x) + (11x + -1) = 90

Remove parenthesis around (-7 + 3x)
-7 + 3x + (11x + -1) = 90

Reorder the terms:
-7 + 3x + (-1 + 11x) = 90

Remove parenthesis around (-1 + 11x)
-7 + 3x + -1 + 11x = 90

Reorder the terms:
-7 + -1 + 3x + 11x = 90

Combine like terms: -7 + -1 = -8
-8 + 3x + 11x = 90

Combine like terms: 3x + 11x = 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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