(3x-4)+(2x+8)=90

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Solution for (3x-4)+(2x+8)=90 equation:


Simplifying
(3x + -4) + (2x + 8) = 90

Reorder the terms:
(-4 + 3x) + (2x + 8) = 90

Remove parenthesis around (-4 + 3x)
-4 + 3x + (2x + 8) = 90

Reorder the terms:
-4 + 3x + (8 + 2x) = 90

Remove parenthesis around (8 + 2x)
-4 + 3x + 8 + 2x = 90

Reorder the terms:
-4 + 8 + 3x + 2x = 90

Combine like terms: -4 + 8 = 4
4 + 3x + 2x = 90

Combine like terms: 3x + 2x = 5x
4 + 5x = 90

Solving
4 + 5x = 90

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 5x = 90 + -4

Combine like terms: 4 + -4 = 0
0 + 5x = 90 + -4
5x = 90 + -4

Combine like terms: 90 + -4 = 86
5x = 86

Divide each side by '5'.
x = 17.2

Simplifying
x = 17.2

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