Answer:
Infinite solutions
Step-by-step explanation:
2x -1 = x + x -1
2x=x+x
2x=2x
Answer:
3 (x - 4)
Step-by-step explanation:
1.5r+15=2.25r
Combine like terms: 1.5r+15-1.5r=2.25r-1.5r
15=0.75r
Get the unknown alone: 15/.75=.75/.75r
20=r or r=20 :)
Answer:
210
Step-by-step explanation:
the % is there to try to throw you off. all you have to do is subtract 285 by 75
which is 210
i believe thats all you do. hope this helps!
Answer:
A ≈ 28.27
Step-by-step explanation: