3.5=2*(5.8+x)

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Solution for 3.5=2*(5.8+x) equation:



3.5=2*(5.8+x)
We move all terms to the left:
3.5-(2*(5.8+x))=0
We add all the numbers together, and all the variables
-(2*(x+5.8))+3.5=0
We calculate terms in parentheses: -(2*(x+5.8)), so:
2*(x+5.8)
We multiply parentheses
2x+11.6
Back to the equation:
-(2x+11.6)
We get rid of parentheses
-2x-11.6+3.5=0
We add all the numbers together, and all the variables
-2x-8.1=0
We move all terms containing x to the left, all other terms to the right
-2x=8.1
x=8.1/-2
x=-4+0.1/2

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