Question

What is the solution of the inequality 2x-9<7?
A x<8
B x<=8
C x>8
D x>=8

Answer 1

2x-9<7
2x<16
x<8
A. x<8

Hope this helps :)

Answer 2

$2x-9\ \textless \ 7 \\ \\ 2x \ \textless \ 7 + 9 \\ \\ 2x \ \textless \ 16 \\ \\ x \ \textless \ \frac{16}{2} \\ \\ x \ \textless \ 8$

The final result is: x < 8.