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19.44=7(2.78)x
We move all terms to the left:
19.44-(7(2.78)x)=0
We calculate terms in parentheses: -(7(2.78)x), so:We add all the numbers together, and all the variables
7(2.78)x
We multiply parentheses
19.46x
Back to the equation:
-(19.46x)
-(+19.46x)+19.44=0
We get rid of parentheses
-19.46x+19.44=0
We move all terms containing x to the left, all other terms to the right
-19.46x=-19.44
x=-19.44/-19.46
x=1/1.0010288065844
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