Answer:
u = -3
Step-by-step explanation:
Step 1: Write equation
-4 + 2u = -10
Step 2: Solve for u
Add 4 to both sides: 2u = -6
Divide both sides by 2: u = -3
Step 3: Check
Plug in x to verify if it's a solution.
-4 + 2(-3) = -10
-4 - 6 = -10
-10 = -10
