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0.4(x+2.2)=12
We simplify the equation to the form, which is simple to understand
0.4(x+2.2)=12
Reorder the terms in parentheses
+( + 0.4x + 0.88)=12
Remove unnecessary parentheses
+ 0.4x + 0.88=+12
We move all terms containing x to the left and all other terms to the right.
+ 0.4x=+12-0.88
We simplify left and right side of the equation.
+ 0.4x=+11.12
We divide both sides of the equation by 0.4 to get x.
x=27.8
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