Question

1) 3a+5b=9 and 5a+3b=7 then find the value of a+b *

Answer 1

$\small{ \textsf{ \textbf{ \color{lime}{Solution }}}}$

$\small{ \textsf{ \textbf{ \color{lime}{HENCE, }}}}$

(3a +5b) ×3 = 9×3.

(5a +3b) ×5 = 7×5.

9a+15b=27.

25a+15b=35.

-16a = -8. a=1/2.

9/2 +15b=27

Answer 2

$\sf{Answer}$

(3a +5b) ×3 = 9×3.

(5a +3b) ×5 = 7×5.

9a+15b=27.

25a+15b=35.

-16a = -8. a=1/2.

9/2 +15b=27

$\sf{Answered\:by\:OoBrainlyWarrioroO}$