Answer:
1,911
Step-by-step example
3 x 7
3 x 30
3 x 600
then add it all up to get the 1,911
I’m pretty sure it’s b but idk 100% sorry if it’s wrong
-7x + 6 = 27
-7x = 21 (Subtract 6 from both sides)
x = -3 (Divide -7 from both sides)
I’m pretty sure a is always and b is sometimes.
