Choose the missing step in the given solution to the inequality -x - 3

Question

Choose the missing step in the given solution to the inequality -x - 3 < 13 + 3x. -x - 3 < 13 + 3x -4x < 16 x > -4 a) -4x - 3 > 13 b) 2x - 3 < 18 c) -4x - 3 < 13 d) 2x - 3 > 18

espex · Answer

Arguably there are two things done between these steps, however, looking at the left hand side, what would you need to do to go from step 1 to step 3?

anonymous · Answer

add three?

espex · Answer

Yes, however that would be what transitioned you out of step 2 heading to step 3. What they are looking for would be the equation just before you added your 3.

espex · Answer

The way this is set up they are doing two movements at a time. You got one of them, to add the three, what else do they do?