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4 x + 7= xx + 15
We simplify the equation to the form, which is simple to understand
4x+7=x+15
We move all terms containing x to the left and all other terms to the right.
+4x-1x=+15-7
We simplify left and right side of the equation.
+3x=+8
We divide both sides of the equation by 3 to get x.
x=2.66666666667
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