1. Fractions in Algebraic Equations

2. Cross Multiplying Needed when Equation has fractions on BOTH sides.
To solve, you multiply the diagonals.

3. To solve with Cross-Multiplication
3 multiplied by x is 3x
4 multiplied by 6 is 24
Set the two products equal to each other.

4. Solving with Cross-Multiplication
7x = 28
x = 4

5. Practice with Cross-Multiplication
On a half sheet of paper, solve for x. 1) 3) 2)

6. . Fraction on One Side = 16 x =
Opposite of multiplying by a fraction, is dividing by the fraction.
To divide by a fraction, multiply by the reciprocal.
You can cross-cancel .
= 16
x =