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-0.3x + 0.5x+5=7
We simplify the equation to the form, which is simple to understand
-0.3x + 0.5x+5=7
We move all terms containing x to the left and all other terms to the right.
-0.3x + 0.5x=+7-5
We simplify left and right side of the equation.
+ 0.2x=+2
We divide both sides of the equation by 0.2 to get x.
x=10
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