Answer:
2 one.
Step-by-step explanation:
The answer is D because you can multiply the second equation by -4
If we call the number "x" then:
x*25%=21
x*25/100=21
x=21*4
x=84
Answer:
Step-by-step explanation:
3y+y = 26-6
4y = 20
4y/4 = 20/4
y = 5
Answer:
31:1
Step-by-step explanation: