Solve Rational Equations Using Cross Multiplication

State the domain restrictions.

• x ≠ 3, -2, 6, -1

• x ≠ -1, 6

• x ≠ 3, -2

• No Domain Restrictions

Solve by cross-multiplying

• x = 6

• x = -6

• x = 6/7

• x = -6/7

Solve by cross-multiplying.

• x = 2

• No Solution

• x = -10

• x = 10

Solve the equation for x.

• 6

• 12

• 0

• 3

Solve and check for extraneous solutions

• x= - 3 &x= -8

• x= -3 & -8 is extraneous 

• No Solution

• x= -8 & -3 is extraneous 

Solve.

• x = 4.5

• x = -4.5

• x = 3

• x = -3

Solve for y

• y = -9

• y = -3

• y = 1

• y = 3

Solve and check for extraneous solutions

• k = 20

• k = -20

• No Solution

• k = 3

Solve for x

• 6

• 17/5

• 19/2

• - 6

Solve for x

• 5/3, 1

• - 5, 1

• 5, 2/3

• 5, 1