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5x+4x+3x=8-12
We simplify the equation to the form, which is simple to understand
5x+4x+3x=8-12
We move all terms containing x to the left and all other terms to the right.
+5x+4x+3x=+8-12
We simplify left and right side of the equation.
+12x=-4
We divide both sides of the equation by 12 to get x.
x=-0.333333333333
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