4x+10y
-3x - -3y + 7x +7y4x + 10y
-3x+14y
-3(x-y) + 7(x-y) = -4
4x + 10y
-3x 3y 7x 7y-3x - 7x = 4x3y +7y = 10y4x + 10y
4x+10y
ReplyDelete-3x - -3y + 7x +7y
ReplyDelete4x + 10y
-3x+14y
ReplyDelete-3(x-y) + 7(x-y) = -4
ReplyDelete4x + 10y
ReplyDelete-3x 3y 7x 7y
ReplyDelete-3x - 7x = 4x
3y +7y = 10y
4x + 10y