Answer:
b=-3
Step-by-step explanation:
-11b +7=40
first subtract 7 on both sides
-11b+7-7=40-7
-11b=33
now divide both sides by -11
-11b/-11=33/-11
b=-3
ANSWER CHECK
to check the answer substitute the solution for B
-11(-3)+7=40
-11(-3)=33
33+7=40
40=40
