Question

Factroise 13x+11y=70 and 11x-13y=74​

Answer 1

Step-by-step explanation:

13x+11y=70×11. (1)

11x-13y=74×13 (2)

143x+121y=770

143x-169=962

on subtraction

0x-48y=-192

-y= -(192/48)

y=4

putting y in eqn (1)

13x+11×4=70

13x=70-44

x=26/13

x=2

so, x=2 and y= 4