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0.9(-0.7+9x)=8.4x
We simplify the equation to the form, which is simple to understand
0.9(-0.7+9x)=8.4x
Reorder the terms in parentheses
+(-0.63+8.1x)=8.4x
Remove unnecessary parentheses
-0.63+8.1x=+8.4x
We move all terms containing x to the left and all other terms to the right.
+8.1x-8.4x=0.63
We simplify left and right side of the equation.
-0.3x=0.63
We divide both sides of the equation by -0.3 to get x.
x=-2.1
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