Question

X-2y=18
X-y=4
Find the X` and y value

Answer 1

Answer:

x=11

y=7

Step-by-step explanation:

solve by linear equation

Answer 2

Answer:

by using elimination method:

x-2y=18

(-) x-y=4

sign changes

- + -

-y=6/y=-6

by substituting the value of y in eq2

x- (-6)=4

x+6=4

x=4-6

x=-2

hence, x =-2 and y = -6