(6x-20)+(4x+30)=90

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Solution for (6x-20)+(4x+30)=90 equation:


Simplifying
(6x + -20) + (4x + 30) = 90

Reorder the terms:
(-20 + 6x) + (4x + 30) = 90

Remove parenthesis around (-20 + 6x)
-20 + 6x + (4x + 30) = 90

Reorder the terms:
-20 + 6x + (30 + 4x) = 90

Remove parenthesis around (30 + 4x)
-20 + 6x + 30 + 4x = 90

Reorder the terms:
-20 + 30 + 6x + 4x = 90

Combine like terms: -20 + 30 = 10
10 + 6x + 4x = 90

Combine like terms: 6x + 4x = 10x
10 + 10x = 90

Solving
10 + 10x = 90

Solving for variable 'x'.

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

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

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

Combine like terms: 90 + -10 = 80
10x = 80

Divide each side by '10'.
x = 8

Simplifying
x = 8

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