x+3x=90

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Solution for x+3x=90 equation:


x+3x=90

We simplify the equation to the form, which is simple to understand
x+3x=90

We move all terms containing x to the left and all other terms to the right.
+1x+3x=+90

We simplify left and right side of the equation.
+4x=+90

We divide both sides of the equation by 4 to get x.
x=22.5

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