Question

Solve the linear equations by substitution method x-7y+42 = 0. x-3y-6 =0

Answer 1

Step-by-step explanation:

X-7y+42=0

x=7y-42---(1)

sub(1)in(2)

7is-42 -3y-6=0

4y+48

is =12---(3)

sub (3) in (2)

x-3 (12) 6=0

x-36-6

x-42=0

x-42,is=12