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7.2-x=12
We simplify the equation to the form, which is simple to understand
7.2-x=12
We move all terms containing x to the left and all other terms to the right.
-1x=+12-7.2
We simplify left and right side of the equation.
-1x=+4.8
We divide both sides of the equation by -1 to get x.
x=-4.8
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