Respuesta :
Answer:
Step-by-step explanation:
Add the A values.
1a-2a = -1a
-1a = -4
isolate the variable
a = 4
You need to add -2A to -4 than subtract a-a (1-1) to get -2 then 1a subtract -2 equals A = -3
Answer:
Step-by-step explanation:
Add the A values.
1a-2a = -1a
-1a = -4
isolate the variable
a = 4