Question

What is 3=7(4 - 2u)-6u

Answer 1

Answer:

$u = 5/4$

Step-by-step explanation:

Step 1:  Distribute on the right side

$3 = 7(4 - 2u) - 6u$

$3 = (7 * 4) + (7 * -2u) - 6u$

$3 = 28 - 14u - 6u$

Step 2:  Combine like terms

$3 = 28 + (-14u - 6u)$

$3 = 28 + -20u$

Step 3:  Subtract 28 from both sides

$3 - 28 = 28 - 20u - 28$

$-25 = -20u$

Step 4:  Divide both sides by -20

$-25 / -20 = -20u / -20$

$5/4 = u$

Answer:  $u = 5/4$

Answer 2

Answer:

u = 5/4

Step-by-step explanation:

to evaluate for the value of u we would simply open the bracket and then evaluate for the value of u by collecting the like terms together.

solution

3=7(4 - 2u)-6u

3 = 28- 14u - 6u

collect the like terms

3 + 14u + 6u = 28

20u = 28 - 3

20u = 25

divide both sides by the coefficient of u which is 20

20u/20 = 25/20

u = 5/4