=.21(x+8)

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


0=.21(x+8)

We simplify the equation to the form, which is simple to understand 
0=.21(x+8)

Reorder the terms in parentheses
0=+( + 0.21x+1.68)

Remove unnecessary parentheses
0=0.21x+1.68

We move all terms containing x to the left and all other terms to the right. 
-0.21x=+1.68-0

We simplify left and right side of the equation. 
-0.21x=+1.68

We divide both sides of the equation by -00.21 to get x. 
x=-8

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