(5x+7)+(3x+11)=90

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Solution for (5x+7)+(3x+11)=90 equation:


Simplifying
(5x + 7) + (3x + 11) = 90

Reorder the terms:
(7 + 5x) + (3x + 11) = 90

Remove parenthesis around (7 + 5x)
7 + 5x + (3x + 11) = 90

Reorder the terms:
7 + 5x + (11 + 3x) = 90

Remove parenthesis around (11 + 3x)
7 + 5x + 11 + 3x = 90

Reorder the terms:
7 + 11 + 5x + 3x = 90

Combine like terms: 7 + 11 = 18
18 + 5x + 3x = 90

Combine like terms: 5x + 3x = 8x
18 + 8x = 90

Solving
18 + 8x = 90

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 8x = 90 + -18

Combine like terms: 18 + -18 = 0
0 + 8x = 90 + -18
8x = 90 + -18

Combine like terms: 90 + -18 = 72
8x = 72

Divide each side by '8'.
x = 9

Simplifying
x = 9

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