What is the answer to 2(4-1/3 u)=-u+2 ?

The answer to 2(4-1/3 u)=-u+2 is u=-18

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2(4-1/3 u)=-u+2

2 (4 - \frac{1}{3} u) = - u + 2

u = - 18

Solution steps

2 (4 - \frac{1}{3} u) = - u + 2

Expand

2 (4 - \frac{1}{3} u) : 8 - \frac{2}{3} u

8 - \frac{2}{3} u = - u + 2

Move

8

to the right side

- \frac{2}{3} u = - u - 6

Move

u

to the left side

\frac{1}{3} u = - 6

Multiply both sides by

3

u = - 18

x, 10 x + 5 y = 30

x, x - 4 y = 12

x, x - 4 y = 28

15 + 8 x = 47

3 (x - 1) + 5 (x - 2) - (x - 3) = 18