How do you solve (t+3)/5=(2t+3)/9?

1 Answer
Jun 30, 2018

t=12

Explanation:

Since 45 is the LCM of the denominators, let's multiply both sides by that.

(t+3)/5*45=(2t+3)/9*45

(t+3)/cancel5*9cancel45=(2t+3)/cancel9*5cancel45

We're left with

9(t+3)=5(2t+3)

We can distribute the constants outside to get

9t+27=10t+15

Subtracting 10t from both sides gives us

-t+27=15

Subtracting 27from both sides, we get

-t=-12

Lastly, we can divide by -1 to get

t=12

Hope this helps!