Answer: 0.548
Step-by-step explanation:
First you need to remember the formula for PEMDAS(Parenthesis,exponents,multiplication,divison,addition,subtractio)
you can do either multiplication or divison whichever comes first, same with addition+subtraction.
the underlined means to simplify
1.-0.57x3/5+4/7x-1/5+2/5x-4/5
2.-1.71/5+4/7x-1/5+2/5x-4/5
3.-0.342+4/7x-1/5+2/5x-4/5
4.-0.342+0.57x-1/5+2/5x-4/5
5.-0.342+0.57x-0.2+2/5x-4/5
6.-0.342+0.114+2/5x-4/5
7.-0.342+0.114+0.4x-4/5
8.-0.342+0.114+-1.6/5
9.-0.342+0.114+-0.32
10.-0.228+-0.32=-0.548
i did this all in one go so......
