Question

Solve -7 < x + 2 < 4.
A. -9 < x < 2
B. -5 < x < 6
C. x < 2 or x > -9
D. no solution

Answer 1

Could you take a guess?

Answer 2

-7 < x+2 < 4

Separate the equations

-7 < x+2 , x+2 < 4

Subtract/Add the like terms

-9 < x x< 2

those are your answers, so it would be A