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15.4=x(77)
We simplify the equation to the form, which is simple to understand
15.4=x(77)
Reorder the terms in parentheses
15.4=+(+77x)
Remove unnecessary parentheses
+15.4=+77x
We move all terms containing x to the left and all other terms to the right.
-77x=-15.4
We simplify left and right side of the equation.
-77x=-15.4
We divide both sides of the equation by -077 to get x.
x=0.2
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