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-0,8(10-2x)+1,2(x-20)+1,5x=-58
We simplify the equation to the form, which is simple to understand
-0,8(10-2x)+1,2(x-20)+1,5x=-58
Reorder the terms in parentheses
+(-8+1.6x)+1,2*(x-20)+1,5x=-58
Remove unnecessary parentheses
-8+1.6x+1,2+*(+x-20+)+1,5x=-58
Reorder the terms in parentheses
-8+1.6x+(+1.2x-24)+1,5x=-58
Remove unnecessary parentheses
-8+1.6x+1.2x-24+1,5x=-58
We move all terms containing x to the left and all other terms to the right.
+1.6x+1.2x+1.5x=-58+8+24
We simplify left and right side of the equation.
+4.3x=-26
We divide both sides of the equation by 4.3 to get x.
x=-6.04651162791
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