It is a linear equation with a single variable, y.
5y+8=7y 2y=8 y=4
8 + 5y = 18 Therefore, 5y = 10 y = 10/5 y = 2
y=8
5y+8 = 7y-6 5y-7y = -6-8 -2y = -14 y = 7
5y+8=7y subtract 5y from each side , 5y+8=7y -5y -5y 8=2y /2 /2 4=y
I assume you mean find Y and then add it to 4. 5Y - 8 = 37 add 8 to each side 5Y = 45 divide both sides by 5 Y = 9 ( it checks by inspection; so....) 9 + 4 = 13
Y=30
5
3y-8+5y = 2y-39 3y+5y-2y = -39+8 6y = -31 y = -31/6
13y+3z+8
If: 3y+8 = 5y-20 Then: 3y-5y = -20-8 So: -2y = -28 And: y = -28/-2 => y = 14
5y+8