Hello this is super easy i can help you
Answer:
x=3
Step-by-step explanation:
1. cross multiply to get
5(4x+2)= 35(x-1)
2. distribute
20x+10=35x-35
3. combine like terms
45=15x
4. divide :)
3=x
Answer:
60$
Step-by-step explanation:
Shipping is 7.50 and the 7 items are 52.5 total
1. false because they have the same slope and y-intercept so they have infinite number of solutions
2. true
Y=mx+b is the formula you use to find the answer