(9x+20)+(x)=90

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Solution for (9x+20)+(x)=90 equation:


Simplifying
(9x + 20) + (x) = 90

Reorder the terms:
(20 + 9x) + (x) = 90

Remove parenthesis around (20 + 9x)
20 + 9x + (x) = 90
20 + 9x + x = 90

Combine like terms: 9x + x = 10x
20 + 10x = 90

Solving
20 + 10x = 90

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 10x = 90 + -20

Combine like terms: 20 + -20 = 0
0 + 10x = 90 + -20
10x = 90 + -20

Combine like terms: 90 + -20 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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