X= -1 t= 7
4(3x-1)=3+8x-11
12x-4=3+8x-11
12x-8x=4+3-11
4x= -4
\4. \4
x= -1
2t+4+5t=6t+11
2t-6t+5t=-4+11
1t=7
\1. \1
t=7
Answer:
3,520
Step-by-step explanation:
Step-by-step explanation:
simply the first one.
-9x -6y = 39 is nothing else than
3x + 2x = -13 multiplied by -3
which leaves the values and solutions unchanged, as we could simply divide by -3 again and end up with the original system and its solution.
There are three students. The student in front has 2 students behind them, the student in the back has 2 students in front of them, and there is a student in the middle.
The answer is 9/12 because 3x4=12 and 3x3=9
