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(2/5)x+(4/5)=(-2/5)
We simplify the equation to the form, which is simple to understand
(2/5)x+(4/5)=(-2/5)
Reorder the terms in parentheses
( + 0.4x)+( + 0.8)=(-0.4)
Remove unnecessary parentheses
+ 0.4x+( + 0.8)=(-0.4)
Remove unnecessary parentheses
+ 0.4x + 0.8=+(-0.4+)
Remove unnecessary parentheses
+ 0.4x + 0.8=-0.4
We move all terms containing x to the left and all other terms to the right.
+ 0.4x=-0.4-0.8
We simplify left and right side of the equation.
+ 0.4x=-1.2
We divide both sides of the equation by 0.4 to get x.
x=-3
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