Question

An equation of the form ax + by+c=
standard form of linear equation in two variables x and y.
Elimination by Equating the Coefficients (REVISIONI
(2 marks each)
Solve the following simultaneous equations.
I-y=7; x + y = 11​

Answer 1

Answer:

1-y=7

-y=7+1

-y=8

y=-8

x+y=11

x-8=11

x=11+8

x=19