Answer:
x=2
Step-by-step explanation:
If 3x + y = 7, then y= 7 - 3x.
Substitute in x - 2y = 0
So:
x - 2(7-3x)=0
x-14+6x=0
7x=14
x=2
It’s B. When dividing by -2, he did not change the direction of the sign
Answer:
the 1/5 one is 0.95
Step-by-step explanation:
look it up, silly also im sorry if i got in wrong i need help too and no one is helping me so im helping other people (well trying too)
By minusing 12 to both sides
d+12=2
-12=-12
d =-10