Question

answer it fast

and answer it with process and send a pic or write the full answer and explain that how you did this

and try to answer my previous
questions also​

Answer 1

Answer:

A. 7a and 2a. 9a

B . 8b from 5b-3b

C . -c and 5c. 5c

D . 4d from -3d. -7d

I know only this answer

Answer 2

Step-by-step explanation:

* Simplify the following :

a) 7a+2a

=>(7+2)a

=>9a

b) 5b-8b

=>(5-8)b

=>(-3)b

c) -c+6c

=>(-1+6)c

=>5c

d) -3d-4d

=>(-3-4)d

=>(-7)d

e) p+p+p

=>(1+1+1)p

=>3p

f) q+2q-10q

=>(1+2-10)q

=>(-7)q

g) 4by-9by+5by

=>(4-9+5)by

=>0by

h) -4m-2m+5m-m

=>(-4-2+5-1)m

=>(-2)m

*simplify the following :

a) 3n+10-4n-11

=>(3-4)n+10-11

=>(-1)n-1

=>-n-1

=>-(n+1)

b) -6+3k-4k+7

=>(3-4)k+7-6

=>(-1)k+1

=>1-k

c) 2x-y+3y-5x

=>(2-5)x+(-1+3)y

=>(-3)x+(2)y

=>2y-3x

d) -4w-2v+9w+2v

=>(-4+9)w+(-2+2)v

=>(5)w+(0)v

=>5w