90=(2x+1)+(5x+5)

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Solution for 90=(2x+1)+(5x+5) equation:


Simplifying
90 = (2x + 1) + (5x + 5)

Reorder the terms:
90 = (1 + 2x) + (5x + 5)

Remove parenthesis around (1 + 2x)
90 = 1 + 2x + (5x + 5)

Reorder the terms:
90 = 1 + 2x + (5 + 5x)

Remove parenthesis around (5 + 5x)
90 = 1 + 2x + 5 + 5x

Reorder the terms:
90 = 1 + 5 + 2x + 5x

Combine like terms: 1 + 5 = 6
90 = 6 + 2x + 5x

Combine like terms: 2x + 5x = 7x
90 = 6 + 7x

Solving
90 = 6 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
90 + -7x = 6 + 7x + -7x

Combine like terms: 7x + -7x = 0
90 + -7x = 6 + 0
90 + -7x = 6

Add '-90' to each side of the equation.
90 + -90 + -7x = 6 + -90

Combine like terms: 90 + -90 = 0
0 + -7x = 6 + -90
-7x = 6 + -90

Combine like terms: 6 + -90 = -84
-7x = -84

Divide each side by '-7'.
x = 12

Simplifying
x = 12

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