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
plug a=2 and b=4 in the expression
5(2)+7(4)
simplify
10+28
solve
=38
Answer:
its a right angle!
Step-by-step explanation:
The answer is 1/10 as shown in the picture below
Answer:
-20
Step-by-step explanation:
7m − 4 − 9m − 36 = 0
-2m - 4 - 36 = 0
-2m - 40 = 0
-2m = 40
m = -20