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-1.4x=2(x+2.13)
We move all terms to the left:
-1.4x-(2(x+2.13))=0
We calculate terms in parentheses: -(2(x+2.13)), so:We get rid of parentheses
2(x+2.13)
We multiply parentheses
2x+4.26
Back to the equation:
-(2x+4.26)
-1.4x-2x-4.26=0
We add all the numbers together, and all the variables
-3.4x-4.26=0
We move all terms containing x to the left, all other terms to the right
-3.4x=4.26
x=4.26/-3.4
x=-1+0.86/3.4
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