Question

21 a + 3b -13 from 12b +15+10a Subtract the following algebraic expression​

Answer 1

Answer:

9b+28-31a

Step by step explanation:

If we will subtract 21a+3b-13 from 12b+15+10a.

So, the 21a+3b-13 will multiply by sign -(21a+3b-13)

=>-21a-3b+13

12b+15-10a

-3b+13-21a

________

9b+28-31a. (Ans...)

________

Hope this helps you!!!!