2x-11
How do you add 2x plus 3y equals 18 in 5x-y equals 11
y=2
(10,13)
Collect like terms: 2x + 3y + 3y - 5 - 6 2x + 6y - 11
(2,7)
x = 5, y = -1
5x+3y
4.34684352143
If: 3y+8 = 5y-20 Then: 3y-5y = -20-8 So: -2y = -28 And: y = -28/-2 => y = 14
-2x plus 3y equals 1
The equation for 3y + 3y = -1 is 3y + 3y = -1.