How to Solve for Y

Solve:
y=8x+1
y=6x+3

• (1, 9)

• (4, 14)

• (0, 1)

• (2, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which answer has a correct first step for this system:

• The variable is already isolated, so we've already solved the system.

• The variable is already isolated for y, so we substitute it in the first equation and solve for x

  3x + 3(3x + 5) = 3

• Free sha vaca doo

• The variable is already isolated for y, so we substitute it in the second equation and solve for x

  y = 3(3x + 3y) = 3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve this system using substitution

y = 3x - 5

2x + 4y = -6

• (1, -2)

• (2, -2)

• (1, 2)

• Why have you done this?

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for y: 
3x + y = 12

• y = -3x +12

• x = y + 4

• x = y + 12

• y = 3x -12

Tags

CCSS.6.EE.C.9

Solve for y.  y - 4x = 8

• y = 4x + 8

• y = -8x + 4

Tags

CCSS.6.EE.C.9

Solve for y.  3x + y = 12

• y = -3x +12

• x = y + 4

• x = y + 12

• y = 3x -12

Tags

CCSS.6.EE.C.9

Solve for y.  y + 2 = 3x

• y = 2x + 3

• y= 3x +2

• y= 3x -2

• y= 6x

Tags

CCSS.6.EE.C.9

8x + 4y= 16

• y = -8x + 16

• y = 2x -4

• y = -2x + 4

• y = -8x + 12

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

x + 2y = 10

• y = -2x + 5

• y = -1/2x + 5

• y = -1/2x - 5

• 2y = -x + 10

Tags

CCSS.6.EE.C.9

4x + 3y = 9

• y = -3/4x + 3

• y = -4x + 9

• y = -4/3x + 3

• 3y = -4x + 9

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3