Question

subtract the sum of 3b-7c+10 and 5c-2b-15 from 7a -3b+c​

Answer 1

Answer:

Hi..... here is ur answer 7a-4b+3c-5.

Step-by-step explanation:

{7a-3b+c} - {(3b-7c+10)+(5c-2b-15)}

={7a-3b+c} -{3b-7c+10+5c-2b-15}

={7a-3b+c} -{3b-2b-7c+5c+10-15}

={7a-3b+c} -{b-2c-5}

=7a-3b+c-b+2c-5

=7a-3b-b+c+2c-5

=7a-4b+3c-5.