what is x/3+x/4=1.

Hi Owen;

x/3+x/4=1

(x/3)+(x/4)=1

(x/3)(4/4)=4x/12

(x/4)(3/3)=3x/12

(4x/12)+(3x/12)=1

7x/12=1

Let's multiply both sides by 12...

(12)(7x/12)=1(12)

7x=12

Let's divide both sides by 7...

(7x)/7=12/7

x=12/7