Question

Find the solution of y = –2x – 6 for x = 2?

Answer 1

y = -2(2) - 6
y = -4 - 6
y = -10
sub y = -10 back into the equation to find x
-10 = -2x - 6
2x =10 - 6
2x = 4
x = 2
solution is x = 2 and y = -10 so (2, -10)

Answer 2

y= -2(2) -6
_2(2)= 2 x -2 = -4
-4 -6 = -10
y=-10