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x-8.7=-5.8
We simplify the equation to the form, which is simple to understand
x-8.7=-5.8
We move all terms containing x to the left and all other terms to the right.
+1x=-5.8+8.7
We simplify left and right side of the equation.
+1x=+2.9
We divide both sides of the equation by 1 to get x.
x=2.9
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