Question

2x+y=3 x=3+y This is an equation of substitution and I need help

Answer 1

2(3+y)+y=3
6+3y=3
Y=-1
Substitute to solve for x
X=3-1
X=2

Answer 2

Solution:(1,1)
replace the x if the first equation with the second equation then solve. Then take that solution and put it in for the y and solve.