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-2[5.25+6.2]=4[-3.1x+2.68]
We simplify the equation to the form, which is simple to understand
-2(5.25+6.2)=4(-3.1x+2.68)
Simplifying terms in parentheses
-2*(+11.45)=4*(-3.1x+2.68)
Reorder the terms in parentheses
+(-22.9)=4*(-3.1x+2.68)
Remove unnecessary parentheses
-22.9=+4+*(-3.1x+2.68+)
Reorder the terms in parentheses
-22.9=+(-12.4x+10.72)
Remove unnecessary parentheses
-22.9=-12.4x+10.72
We move all terms containing x to the left and all other terms to the right.
+12.4x=+10.72+22.9
We simplify left and right side of the equation.
+12.4x=+33.62
We divide both sides of the equation by 012.4 to get x.
x=2.71129032258
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