Question

Solve the simultaneous equations
x – 4y = 18
x – 2y = 10
X =
y =

Answer 1

X = 18

Y = 4

Explanation:

Since both X are the same, just subtract the rest.

-4y - (-2y) = 18-10

-2y = 8

y= 4

Substitute y in

x-2y = 10

x-8= 10

x = 10 +8

x=18