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-34=-6u+2(u-7)
We simplify the equation to the form, which is simple to understand
-34=-6u+2(u-7)
Reorder the terms in parentheses
-34=-6u+(+2u-14)
Remove unnecessary parentheses
-34=-6u+2u-14
We move all terms containing u to the left and all other terms to the right.
+6u-2u=-14+34
We simplify left and right side of the equation.
+4u=+20
We divide both sides of the equation by 4 to get u.
u=5
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