Question

I need help solving my work. 12-a=11

Answer 1

a = 1
12 - 1 = 11
:)

Answer 2

i know its 1 but i need to show my work

Answer 3

12-a=11
Add a to both sides:
12 = 11 + a
subtract 11 from both sides:
1 = a

Answer 4

can you write it out please

Answer 5

12-a=11
Add a to both sides:
12-a+a = 11 + a
12 = 11 + a
Subtract 11 from both sides:
12-11 = 11 + a - 11
1 = a
or a = 1

Answer 6

can you just write out the work with no explanation

Answer 7

12-a=11
12 = 11 + a
12-11 = a
a = 1