Question

how to add 5a +a-7a​

Answer 1

Answer:

-1a

Step-by-step explanation:

=5a+a-7a

in this plus minus mine is equal to minus

therefore +a-7a = -6a sign of bigger number

=5a-6a

5a - 6a is equal to -1a

therefore

=-1a

Answer 2

-1 is answer

I hope I can help u