-2. Look at it as -15 = 2t-11. Add 11 to each side, to get -15+11 = 2t-11+11, or -4=2t.
Divide each side by 2, and you get -2.
Chat with our AI personalities
3+3=6 add get answer who asks these things!
3*-7=29
x=3
Rene Descates discovered it in the 17th century
The two equations represent the same straight line.