3x+12+x+8=90

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Solution for 3x+12+x+8=90 equation:


3x+12+x+8=90

We simplify the equation to the form, which is simple to understand 
3x+12+x+8=90

We move all terms containing x to the left and all other terms to the right. 
+3x+1x=+90-12-8

We simplify left and right side of the equation. 
+4x=+70

We divide both sides of the equation by 4 to get x. 
x=17.5

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