How do I use substitution to solve a system of linear equations?
1 answer:
Answer:
for example:
y=2x+4
3x+y=9
We can substitute y in the second equation with the first equation since y = 2x+4.
3x+(2x+4)=9
5x+4=9
5x=5
x=1
You might be interested in
30 seeds because 12+18=30
Answer:
430
Step-by-step explanation:
Divide total price by quantity:
15.60 / 6 = 2.60
Unit price = $2.60
Answer:
11
Step-by-step explanation:
19 + m = 30
m = 30 - 19
m = 11
Hope it helps
Answer:
1/6 times the number cube wil land on 2
Step-by-step explanation:
