Question 376405
x = -7- 2y Equation 1
y = x - 11 Equation 2
...
substitute the value of x in equation (2)
y=-7-2y-11
+2y
y+2y=-7-11
3y=-18
/3
y =-6
..
plug value of y in (1)
x=-7-2(-6)
x=-7+12
x=5
..
{{{(highlight(x=5y=-6))}}}