Question

Solve the linear equation system by using substition'
y-5=x
4x-y+4

Answer 1

I’m the given problem there is only one equation and one expression. Did you mean 4x-y=4 ?

Answer 2

3y-16

y-5=x

4x-y+4

4(y-5)-y+4

4y-20-y+4

3y-16