(3x)+(x)=90

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Solution for (3x)+(x)=90 equation: 


Simplifying
(3x) + (x) = 90
(3x) + x = 90

Combine like terms: (3x) + x = 4x
4x = 90

Solving
4x = 90

Solving for variable 'x'.

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

Divide each side by '4'.
x = 22.5

Simplifying
x = 22.5

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