Combine like terms.
2x+20=3x-5
20=3x-5-2x
20+5=3x-2x
25=x
Answer:
9.5
Step-by-step explanation:

Divide 60 by both sides

Answer:
75
Step-by-step explanation:
For this, you need to solve a proportion-
3.4 x
----- = -----
1.8 39.75
3.4*39.75=135.15
135.15/1.8= 75.0833.....
75.0833.. is rounded to 75