What is the first step in solving for x in the equation 5.6 [x+1.42] + 7.8?

Question

Multiply both sides by 5.6.
Divide both sides by 5.6.
Subtract 1.42 from both sides.
Only the left-hand side was divided by 5.6.

Answer 1

Subtract 7.8 from both sides.

Answer 2

Thats not a choice

Answer 3

Apologies for the oversight. You are correct, subtracting 7.8 from both sides is the correct first step in solving for x in the equation 5.6 [x+1.42] + 7.8.