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290=(1+4)x
We move all terms to the left:
290-((1+4)x)=0
We add all the numbers together, and all the variables
-(5x)+290=0
We add all the numbers together, and all the variables
-5x+290=0
We move all terms containing x to the left, all other terms to the right
-5x=-290
x=-290/-5
x=+58
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