Question

solve by substitution method

1) 2x + 5y - 10 = 0

2) 6x + 15y - 30 = 0
class 10 th​

Answer 1

Step-by-step explanation:

2x+5y-10 =0

2x+5y =10

2x =10-5y

x =10-5y/2

puting the value of x in second equation

6(10-5y/2)+15y =30

60-30y/2+15y =30

60-30y+30y/2= 30

60=60

O=O

Answer 2

brainly app pe search marle scan karke