8x+90=4x+30

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Solution for 8x+90=4x+30 equation: 



8x+90=4x+30

We move all terms to the left:

8x+90-(4x+30)=0

We get rid of parentheses

8x-4x-30+90=0

We add all the numbers together, and all the variables

4x+60=0

We move all terms containing x to the left, all other terms to the right

4x=-60

x=-60/4

x=-15

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