Solving Rational Equations by Cross Multiplying

What is the first step in solving equations with two rational expressions?

• Add the expressions

• Cross multiply the expressions

• Divide one expression by the other

• Subtract one expression from the other

Tags

CCSS.HSA.REI.A.2

After cross multiplying, what should you do next?

• Subtract the constant term from both sides

• Combine like terms

• Divide both sides by the coefficient of x

• Set the equation to zero

What is the result of subtracting 28 from both sides of the equation?

• x = 9.25

• x = -9.25

• 4x = 37

• 4x = -37

Tags

CCSS.6.EE.B.7

What is the final solution for x?

• -9.25

• 9.25

• -37/4

• 37/4

Tags

CCSS.8.EE.C.7B

How can you verify the solution is correct?

• By adding it back to the original equation

• By dividing it from the original equation

• By multiplying it with the original equation

• By substituting it back into the original equation

Tags

CCSS.8.EE.C.7B