Y+3=x

3x+4y=16

Find the solution using the substitution method.

Make x=0 and solve the first problem. plug in the answer of y into the next problem to find x. check your work by plugging the x and y in both equations. both equations should end 0=0 if you check your work and you got the right answer

To the beginning, we know y+3=x

then, substitute x into y

=>3 (y+3) + 4y=16

then, to solve y

7y=16-9

y=1

so, x=y+3=4