Question

solve for u.
3u + 4(u + 7) = 7
simplify your answer as much as possible.
u =

Explanation:

Step1: Expand the parentheses

$3u + 4u + 28 = 7$

Step2: Combine like terms

$7u + 28 = 7$

Step3: Isolate the variable term

$7u = 7 - 28$
$7u = -21$

Step4: Solve for u

$u = \frac{-21}{7}$

Answer:

$u = -3$