Question

Find the sum ( c - 4) + ( 3c + 9 )

what is sum of ( 5z + 4) + ( 3z - 6)

find the difference... (x - 1) - (3x + 2)

Answer 1

c-4 + 3c +9

4c + 5

5z+4+3z-6

8z-2

x-1-3x-2

-2x-3

Answer 2

Answer:

(C-4)+(3C+9)=>4C+5

(5z+4)+(3z-6)=>8z-2

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