1. X=5
2. X=-5
3. Y=10
Step-by-step explanation:
those are the answers
Answer:
3x - 4 =9
divide the entire equation by 3
9x/3 - 12/3 = 36/3
3x - 4 = 9
-15
1, 8, 27?Wasn't sure if you were asking for the cube numbers instead?