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4.50x+2.50x=12
We simplify the equation to the form, which is simple to understand
4.50x+2.50x=12
We move all terms containing x to the left and all other terms to the right.
+4.5x+2.5x=+12
We simplify left and right side of the equation.
+7x=+12
We divide both sides of the equation by 7 to get x.
x=1.71428571429
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