-8x if I read the problem correctly
Answer:
a=4, b = -2
Step-by-step explanation:
Use elimination: subtract two equations. you get -6b = 12, so b = -2. Substitute this into the first equation and get a -8 = -4, so a = 4
Answer:
There is no solution.
Step-by-step explanation:
8x+2y=13
4x+y=11....let's double this one.
8x+2y=22.
Answer:
D:315
Step-by-step explanation:
6x7 and then divide by 2 = 21+21 =42 13x7= 91x3= 273+ 42= 315