Answer:
S = 60
Step-by-step explanation:
Order of Operations: BPEMDAS
Step 1: Write out equation
S + 3(2 + x) = -36
Step 2: Define variables
x = 6
Step 3: Plug in variables
S + 3(2 + 6) = -36
Step 4: Parenthesis
S + 3(8) = -36
Step 5: Multiply
S + 24 = -36
Step 6: Subtract 24 on both sides
S = 60
