Answer:
idc
Step-by-step explanation:
Must do multiplication first....
-2/5 - 3/7 x 7/10
-2/5 - 21/70 (I'll reduce 21/70)
-2/5 - 3/10
Now you have to find a common denominator and subtract
-35/50 = -7/10......is what I get
4 more than 4 times x is 45 the answer will be x=41/4
