21y-1+9(12.2)-38=180

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Solution for 21y-1+9(12.2)-38=180 equation:


21y-1+9(12.2)-38=180

We simplify the equation to the form, which is simple to understand 
21y-1+9(12.2)-38=180

Reorder the terms in parentheses
21y-1+(+109.8)-38=180

Remove unnecessary parentheses
+21y-1+109.8-38=+180

We move all terms containing y to the left and all other terms to the right. 
+21y=+180+1-109.8+38

We simplify left and right side of the equation. 
+21y=+109.2

We divide both sides of the equation by 21 to get y. 
y=5.2

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