B=-2 or b=0 is the awnser
Step-by-step explanation:
2(3x + 5y = -19)
6x + 10y = -38
5 (5x -2y = 16)
25x - 10y = 80
19x = 42
but idk from there the rest doesn't work Soo if u can find the prob and tell me I'll fix it.
2:7 = 4:14 because each is equal to 2/7. If you simplify 4:14 by dividing by 2, it simplifies to 2:7.
Answer:
Step-by-step explanation: just search it up