Use elimination
Multiply first equation by 4
12a - 8b = 56
12a + 9b = 39
Subtract both
-17b = 17
b = -1
Plug in -1 for b
3a - 2(-1) = 14
3a = 12, a = 4
Final answer: a = 4, b = -1
Answer:
A is the answer
Step-by-step explanation:
It's a larger number
Answer:
5,6,7
Step-by-step explanation:
x-1+x+x+1=18
3x=18
x=6
5,6,7