Answer:
3%
Explanation:
Apply distributive property as shown on all products-
All equations need to be distributed equally
x=3%
As shown, this should be what you do...
It's fine if you don't, but a little birdie said you should, just sayin'...
1300x+1200(x+0.02)=99
Rearrange
2500x+24=99
2500=75