Question

Betsie tried to solve an equation step by step.
3(a + 7) = -33
-33
a +7= -11
Step 1
a= -4
Step 2
Find Betsie's mistake.

Answer 1

Bestie forgot to multiply the numbers in the parentheses by three

Answer 2

Answer:

she didn't distribute the 3.

Step-by-step explanation:

3 (a +7) = 33

she didn't distribute the 3.

3a + 21 = 33

     - 21  - 21

3a = 12

12/3 =4

a = 4