2(z-10)=-4
2z-20=-4
2z=16
z=8
(4x - 8) = 80/2
4x - 8 = 40
4x = 48
x = 12
answer
x = 12
Step-by-step explanation:
I wrote the steps in different colour pen so that it would be easier
Hope this is correct and helpful
HAVE A GOOD DAY!
Answer:
:P
Step-by-step explanation:
Answer:
x = -25
x = infinite solutions
Step-by-step explanation for 1:
4(-25) - 10 = 5(-25) + 15
-100 - 10 = -125 + 15
-110 = -110
Step-by-step explanation for 2:
Both equations are the exact same. So whatever number you put, the answer will be right