If we substitute 2 into x it'll be:
6z -4 - z + 10 = -9
Combine like terms
5z + 6 = -9
Subtract both sides by 6
5z = -15
Divide both sides by 5
z = -3
Have an awesome day! :)
Answer:
Four equivalent ratios:
1) 5:15
2)1:3
3) 10:30
4) 20:60
Step-by-step explanation:
