(3x+3)+(10x-4)=90

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Solution for (3x+3)+(10x-4)=90 equation:


Simplifying
(3x + 3) + (10x + -4) = 90

Reorder the terms:
(3 + 3x) + (10x + -4) = 90

Remove parenthesis around (3 + 3x)
3 + 3x + (10x + -4) = 90

Reorder the terms:
3 + 3x + (-4 + 10x) = 90

Remove parenthesis around (-4 + 10x)
3 + 3x + -4 + 10x = 90

Reorder the terms:
3 + -4 + 3x + 10x = 90

Combine like terms: 3 + -4 = -1
-1 + 3x + 10x = 90

Combine like terms: 3x + 10x = 13x
-1 + 13x = 90

Solving
-1 + 13x = 90

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 13x = 90 + 1

Combine like terms: -1 + 1 = 0
0 + 13x = 90 + 1
13x = 90 + 1

Combine like terms: 90 + 1 = 91
13x = 91

Divide each side by '13'.
x = 7

Simplifying
x = 7

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