Answer:
w = 2
Step-by-step explanation:
Step 1: Write equation
1.3(w + 4) = 2.1w + 3.6
Step 2: Solve for w
Step 3: Check
Plug in w to verify it's a solution.
1.3(2 + 4) = 2.1(2) + 3.6
1.3(6) = 4.2 + 3.6
7.8 = 7.8