Answer:
Step-by-step explanation:
i Don't now how to explain the answer
X=25 in this equation. But if u divide by 12 it’s -25
Answer:
x =-1
Step-by-step explanation:

replace y by 2x +4 in the first equation
2(2x + 4) = 6x + 10
4x + 8 = 6x + 10
-2x +8 = 10
-2x = 2
x = -1