(6x+5)+(7x+20)=90

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Solution for (6x+5)+(7x+20)=90 equation:


Simplifying
(6x + 5) + (7x + 20) = 90

Reorder the terms:
(5 + 6x) + (7x + 20) = 90

Remove parenthesis around (5 + 6x)
5 + 6x + (7x + 20) = 90

Reorder the terms:
5 + 6x + (20 + 7x) = 90

Remove parenthesis around (20 + 7x)
5 + 6x + 20 + 7x = 90

Reorder the terms:
5 + 20 + 6x + 7x = 90

Combine like terms: 5 + 20 = 25
25 + 6x + 7x = 90

Combine like terms: 6x + 7x = 13x
25 + 13x = 90

Solving
25 + 13x = 90

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 13x = 90 + -25

Combine like terms: 25 + -25 = 0
0 + 13x = 90 + -25
13x = 90 + -25

Combine like terms: 90 + -25 = 65
13x = 65

Divide each side by '13'.
x = 5

Simplifying
x = 5

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