Simultaneous equation:x=y+1 and x+2y=7

1 answer

Substitute x from the first equation into the second equation:
(y+1) + 2y = 7
Simplify and solve for y:
3y + 1 = 7
3y = 6
y = 2
Substitute y=2 into the first equation to solve for x:
x = y+1 = 2+1 = 3
Therefore, the solution is x=3 and y=2.