.20(x)+.25(8)=21(x+8)

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Solution for .20(x)+.25(8)=21(x+8) equation:


.20(x)+.25(8)=21(x+8)

We simplify the equation to the form, which is simple to understand 
.20(x)+.25(8)=21(x+8)

Reorder the terms in parentheses
+( + 0.2x)+.25*(8)=21*(x+8)

Remove unnecessary parentheses
 + 0.2x+.25+*(+8+)=+21+*(+x+8+)

Reorder the terms in parentheses
 + 0.2x+(+2)=21*(x+8)

Remove unnecessary parentheses
 + 0.2x+2=+21+*(+x+8+)

Reorder the terms in parentheses
 + 0.2x+2=+(+21x+168)

Remove unnecessary parentheses
 + 0.2x+2=+21x+168

We move all terms containing x to the left and all other terms to the right. 
 + 0.2x-21x=+168-2

We simplify left and right side of the equation. 
-20.8x=+166

We divide both sides of the equation by -20.8 to get x. 
x=-7.98076923077

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