-1 = 8(u-7) + 3u solve for u

u=5

Explanation:

1. Distribute 8 through the parentheses

-1=8u-56+3u

2. Collect like terms.

-1=11u-56

3. Move the variable to the left-hand side and change its sign.

1-11u=-56

4. Calculate the sum

-11=-55

5. Divide both sides by -11

u=5

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this is a good question! i'll do some research and come back when i have the answer!