Answer:
Step-by-step Solution:
Subtract or add to obtain your answer.
Hence, the value of b is -1.8
Let's find
[tex]\\ \tt\hookrightarrow b+(-1.9)=-3.7[/tex]
[tex]\\ \tt\hookrightarrow b-1.9=-3.7[/tex]
[tex]\\ \tt\hookrightarrow b=-3.7+1.9[/tex]
[tex]\\ \tt\hookrightarrow b=-1.6[/tex]