Given ; h+2y=-2 and h-y=4

Answer 1

h + 2 y = - 2
-
h - y = 4
___________

h - h + 2 y - ( - y ) = - 2 - 4

2 y + y = - 6

3 y = - 6

y = - 6 / 3

y = - 2

Put this value in equation:

h - y = 4

h - ( - 2 ) = 4

h + 2 = 4

Subtract 2 to bith sides.

h = 2

The solution is:

h = 2 , y = - 2