what is the soultion to the equation 7b-4.2=-3b+9.1 enter the answer as a decimal to the nearest hundredth?

Question

i dont know  how to do this and round to the 100 place .

Answer 1

Gather the b terms to the left and the constants to the right:

10b=9.1+4.2=13.3

Divide through by 10: b=1.33.