Question

2y-x=0;10x+15y=105 by substitution method with full explanation​

Answer 1

2y−x=0

2y=x

x=2y

10x+15y=105 ………….(1)

Substitute x value in (1)

10x+15y=105

10(2y)+15y=105

20y+15y=105

35y=105

y=105=35

y=3

y=3Sub y=3 in x

x=2y

x=2(3)

x=6

x=6 and y=3.