HOW DO YOU DO THIS?!?!?!

emmaiskool242

Junior Member
Joined
Mar 29, 2006
Messages
66
2-1/4(b-12)=9FRACTIONS SCARE ME
 

daon

Senior Member
Joined
Jan 27, 2006
Messages
1,284
emmaiskool242 said:
2-1/4(b-12)=9FRACTIONS SCARE ME
Then get rid of the fraction by multiplying both sides of the equation by 4.

\(\displaystyle 2 - \frac{1}{4}(b-12) = 9 \\ \Rightarrow 4(2 - \frac{1}{4}(b-12)) = 4(9) \Rightarrow 4(2) - 4(\frac{1}{4})(b-12) = 36\\ \Rightarrow 8 - \frac{4}{4}(b-12) = 36 \Rightarrow 8 - (b-12) = 36\)
 
Top