Answer:
x=7
Step-by-step explanation:
9x-9=5x+19
Combine like terms
9x-5x=19+9
4x=19+9
4x=28
Answer:x=1.2
3x+2.5=6.1
3x=6.1-2.5
3x=3.6
x=1.2
B: 0.8
Just multiply then divide