Question

look at the picture and can you explain to me how to solve the equation and using the substitution method

Answer 1

x = 4 y = 0

Explanation:

3x - y = 12 -------------(i)

2x + 5y = 8--------------(ii)

from (i)

y = 3x - 12----------------(iii)

put (iii) in (ii)

2x + 5(3x - 12) = 8

2x + 15x - 60 = 8

17x = 68

x = 4

sub. for x in (iii)

y = 3(4) -12

y = 0