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7x-19=86 (3)
We simplify the equation to the form, which is simple to understand
7x-19=86(3)
Reorder the terms in parentheses
7x-19=+(+258)
Remove unnecessary parentheses
+7x-19=+258
We move all terms containing x to the left and all other terms to the right.
+7x=+258+19
We simplify left and right side of the equation.
+7x=+277
We divide both sides of the equation by 7 to get x.
x=39.5714285714
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