(x+55)+(3x-5)=90

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Solution for (x+55)+(3x-5)=90 equation:


Simplifying
(x + 55) + (3x + -5) = 90

Reorder the terms:
(55 + x) + (3x + -5) = 90

Remove parenthesis around (55 + x)
55 + x + (3x + -5) = 90

Reorder the terms:
55 + x + (-5 + 3x) = 90

Remove parenthesis around (-5 + 3x)
55 + x + -5 + 3x = 90

Reorder the terms:
55 + -5 + x + 3x = 90

Combine like terms: 55 + -5 = 50
50 + x + 3x = 90

Combine like terms: x + 3x = 4x
50 + 4x = 90

Solving
50 + 4x = 90

Solving for variable 'x'.

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

Add '-50' to each side of the equation.
50 + -50 + 4x = 90 + -50

Combine like terms: 50 + -50 = 0
0 + 4x = 90 + -50
4x = 90 + -50

Combine like terms: 90 + -50 = 40
4x = 40

Divide each side by '4'.
x = 10

Simplifying
x = 10

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