Answer:
22
Step-by-step explanation:
Order of Operations: BPEMDAS
Step 1: Write out expression
40 - 2 × 3²
Step 2: Exponents
40 - 2 × 9
Step 3: Multiply
40 - 18
Step 4: Subtract
22
Answer: additive inverse
Step-by-step explanation:
If you need an equation it is -3.4x=21.5
You simply divide both sides by -3.4 to get x=-6.32
if that's not right then just get on a calculator and calculate by doing what I said to divide
