(4x)+(7x-20)=90

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Solution for (4x)+(7x-20)=90 equation:


Simplifying
(4x) + (7x + -20) = 90

Reorder the terms:
(4x) + (-20 + 7x) = 90

Remove parenthesis around (-20 + 7x)
(4x) + -20 + 7x = 90

Reorder the terms:
-20 + (4x) + 7x = 90

Combine like terms: (4x) + 7x = 11x
-20 + 11x = 90

Solving
-20 + 11x = 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 + 11x = 90 + 20

Combine like terms: -20 + 20 = 0
0 + 11x = 90 + 20
11x = 90 + 20

Combine like terms: 90 + 20 = 110
11x = 110

Divide each side by '11'.
x = 10

Simplifying
x = 10

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