# ACT Math : ACT Math

## Example Questions

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### Example Question #31 : How To Solve For A Variable As Part Of A Fraction

Solve for .

Explanation:

First, cross-multiply.

Now, solve for .

Simplify.

### Example Question #32 : How To Solve For A Variable As Part Of A Fraction

Solve for .

Explanation:

First, cross-multiply.

Now, solve for .

### Example Question #81 : Algebraic Fractions

Solve for .

Explanation:

First, cross-multiply.

Simplify.

Solve for .

### Example Question #82 : Algebraic Fractions

Solve for .

Explanation:

First, cross-multiply.

Now, solve for .

### Example Question #91 : Algebraic Fractions

Solve for

Explanation:

To solve these types of problems, you need to cross multiply the fractions

.

Then, all we need to do is distribute the , combine like terms, and solve the algebraic equation.

.

Solve for :

Explanation:

Cross-multiply:

Distribute:

Solve for x:

### Example Question #93 : Algebraic Fractions

Solve for

Explanation:

Solve this question by cross-multiplying:

### Example Question #3241 : Sat Mathematics

If , what is the value of ?