4<x<7
double the x
8 < 2x < 14
add 3
11 < (2x+3) < 17
btw, the choices are poorly stated
If 4<x<7, what is the range of 2x+3 ?
A) 5<x<11
B)7<x<10
C)8<x<14
D)11<x<17
1 answer
A) 5<x<11
B)7<x<10
C)8<x<14
D)11<x<17
1 answer