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7x+42=78
We simplify the equation to the form, which is simple to understand
7x+42=78
We move all terms containing x to the left and all other terms to the right.
+7x=+78-42
We simplify left and right side of the equation.
+7x=+36
We divide both sides of the equation by 7 to get x.
x=5.14285714286
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