Solve Rational Expression Cross Multiply

Solve by cross-multiplying: \frac{7}{8}=\frac{f+3}{f+6}

• -3

• 3

• 6

• 18

Tags

CCSS.HSA.REI.A.2

• -4

• 4

• 9

• 18

Tags

CCSS.HSA.REI.A.2

Simplify the expression.

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Tags

CCSS.HSA.APR.D.7

• Solve for x

  (Find what x equals)

• Simplify

  (Make it one simplified fraction)

Answer explanation

It has an equals sign, so it's an equation.

Tags

CCSS.7.EE.B.4A

• Solve for x

  (Find what x equals)

• Simplify

  (Make it one simplified fraction)

Tags

CCSS.HSA.REI.A.2

• Divide the 3 and 5.

• Put the 7 over 1. Cross multiply.

• Put the 7 over 1. Add the fractions.

• Put the 7 over 1. Subtract the fractions.

Tags

CCSS.7.EE.B.4A

Instead of finding the common denomiator, you can also use the method of ​ (a)   to get rid of fractions

• cross multiply

• simplify rational expressions

• add fractions

Tags

CCSS.7.NS.A.1C

• x = 2

• No Solution

• x = -10

• x = 10

Tags

CCSS.HSA.REI.A.2

• x = -1, 5

• No Solution

• x = -4, 5

• x = -4

Tags

CCSS.HSA.REI.A.2

Tags

CCSS.HSA.REI.A.2