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2.7x+4-7.7x=9
We simplify the equation to the form, which is simple to understand
2.7x+4-7.7x=9
We move all terms containing x to the left and all other terms to the right.
+2.7x-7.7x=+9-4
We simplify left and right side of the equation.
-5x=+5
We divide both sides of the equation by -5 to get x.
x=-1
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