Rubens bill at a restaurant is $745.if ruben wants to leave a 20% gratuity, how much should he leave

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?