3
Solving for y simply means isolate y on one side of the equation and everything else on the other. If 2y=-x+1, then we need to divide both sides by 2.
We end up with y=-1/2x+1/2
X+2Y=-1
-X -X
2Y=-x-1
/2 /2
Y= -2X-2
and get on the ball and do your own homework lol
2y + 7x + y-1?
x=2y-1
x=1, y=1
2x + 2y = 44x + y = 1There are many methods you can use to solve this system of equations (graphing, elimination, substitution, matrices)...but no matter what method you use, you should get x = -1/3 and y = 7/3.
2y+26 = 28 2y = 28-26 2y = 2 y = 1
3y + 2y + 4 + 1 = 805y + 5 = 805y = 75y = 15
80 = 3y + 2y + 4 + 1 75 = 5y 15 = y y = 15
6x+2y=4 gives y=2-(1/3)x
2y + 7x + y-1?
To solve for two unknowns (x and y) it is necessary to have two independent equations.
x=2y-1
get it to y= -2y = 1 - 2x y = x - 0.5
x=1, y=1
(3, 2)
2x + 2y = 44x + y = 1There are many methods you can use to solve this system of equations (graphing, elimination, substitution, matrices)...but no matter what method you use, you should get x = -1/3 and y = 7/3.
2y+26 = 28 2y = 28-26 2y = 2 y = 1
To solve for 3 unknown variables you need 3 independent equations. You have only 1.