Question

a)2a+5b+7; 8a-3b+3; -5a-7b-6
=5a-5b+4
b)4x+5y+7;-5x-y-3; 3x-3y+2
=2x+y+6
the ans are what I said but the ans get how explain it step by step​

Answer 1

Answer:

a). R.H.S

(2a+5b+7)+(8a-3b+3)+(-5a-7b-6)

now open brackets

= 2a+5b+7+8a-3b+3+(-5a-7b-6)

= 10a+2b+10+(-5a-7b-6)

= 10a+2b+10-5a-7b-6

= 5a-5b+4 = L.H.S