(2x+3)+(6x-4)=90

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Solution for (2x+3)+(6x-4)=90 equation:


Simplifying
(2x + 3) + (6x + -4) = 90

Reorder the terms:
(3 + 2x) + (6x + -4) = 90

Remove parenthesis around (3 + 2x)
3 + 2x + (6x + -4) = 90

Reorder the terms:
3 + 2x + (-4 + 6x) = 90

Remove parenthesis around (-4 + 6x)
3 + 2x + -4 + 6x = 90

Reorder the terms:
3 + -4 + 2x + 6x = 90

Combine like terms: 3 + -4 = -1
-1 + 2x + 6x = 90

Combine like terms: 2x + 6x = 8x
-1 + 8x = 90

Solving
-1 + 8x = 90

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 8x = 90 + 1

Combine like terms: -1 + 1 = 0
0 + 8x = 90 + 1
8x = 90 + 1

Combine like terms: 90 + 1 = 91
8x = 91

Divide each side by '8'.
x = 11.375

Simplifying
x = 11.375

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