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13x+4-3x=7x
We simplify the equation to the form, which is simple to understand
13x+4-3x=7x
We move all terms containing x to the left and all other terms to the right.
+13x-3x-7x=-4
We simplify left and right side of the equation.
+3x=-4
We divide both sides of the equation by 3 to get x.
x=-1.33333333333
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