(2x+10)+(3x+20)=90

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Solution for (2x+10)+(3x+20)=90 equation: 


Simplifying
(2x + 10) + (3x + 20) = 90

Reorder the terms:
(10 + 2x) + (3x + 20) = 90

Remove parenthesis around (10 + 2x)
10 + 2x + (3x + 20) = 90

Reorder the terms:
10 + 2x + (20 + 3x) = 90

Remove parenthesis around (20 + 3x)
10 + 2x + 20 + 3x = 90

Reorder the terms:
10 + 20 + 2x + 3x = 90

Combine like terms: 10 + 20 = 30
30 + 2x + 3x = 90

Combine like terms: 2x + 3x = 5x
30 + 5x = 90

Solving
30 + 5x = 90

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 5x = 90 + -30

Combine like terms: 30 + -30 = 0
0 + 5x = 90 + -30
5x = 90 + -30

Combine like terms: 90 + -30 = 60
5x = 60

Divide each side by '5'.
x = 12

Simplifying
x = 12

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