WILL GIVE BRAINIEST 30(1.20)^(x)=45+3x

please write out the steps!!!
I don't know how to do this!

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Solve 2x+y=3 x+y=5 in substitution method

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined