280=2x+2*45

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Solution for 280=2x+2*45 equation: 



280=2x+2*45

We move all terms to the left:

280-(2x+2*45)=0

We add all the numbers together, and all the variables

-(2x+90)+280=0

We get rid of parentheses

-2x-90+280=0

We add all the numbers together, and all the variables

-2x+190=0

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

-2x=-190

x=-190/-2

x=+95

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