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-(2.5x+4.2)=2.7x-x+2(4.28)
We simplify the equation to the form, which is simple to understand
-(2.5x+4.2)=2.7x-x+2(4.28)
Remove unnecessary parentheses
-2.5x-4.2=2.7x-x+2*(4.28)
Reorder the terms in parentheses
-2.5x-4.2=2.7x-x+(+8.56)
Remove unnecessary parentheses
-2.5x-4.2=+2.7x-x+8.56
We move all terms containing x to the left and all other terms to the right.
-2.5x-2.7x+1x=+8.56+4.2
We simplify left and right side of the equation.
-4.2x=+12.76
We divide both sides of the equation by -4.2 to get x.
x=-3.0380952381
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