Twice a number (2x) decreased by 7 (- 7).
2x - 7
Two times a specfic number (x) subtracted by 7.
It's the first one, an algebraic expression contains variables
Answer:
x=2
Step-by-step explanation:
3^2x = 81
3^2x = 3^4
Compare powers
2x = 4
x = 2
Answer:
I got 6 and 28/99
Step-by-step explanation:
I put it in a calculator about 10 times and this was the answer every time, sorry if it wasn't helpful
14.2857142857 is th e answer