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12x-4x+3=3.5
We simplify the equation to the form, which is simple to understand
12x-4x+3=3.5
We move all terms containing x to the left and all other terms to the right.
+12x-4x=+3.5-3
We simplify left and right side of the equation.
+8x=0.5
We divide both sides of the equation by 8 to get x.
x=0.0625
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