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(3/10)x-(2/5)=-1
We simplify the equation to the form, which is simple to understand
(3/10)x-(2/5)=-1
Simplifying:
( + 0.3)*x-(2/5)=-1
Simplifying:
( + 0.3)*x-( + 0.4)=-1
Reorder the terms in parentheses
( + 0.3x)-( + 0.4)=-1
Remove unnecessary parentheses
+ 0.3x-( + 0.4)=-1
Remove unnecessary parentheses
+ 0.3x-0.4=-1
We move all terms containing x to the left and all other terms to the right.
+ 0.3x=-1 + 0.4
We simplify left and right side of the equation.
+ 0.3x=-0.6
We divide both sides of the equation by 0.3 to get x.
x=-2
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