What is the slope and y intercept of this diagram

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Is there an x intercept in the equation 60*1.15^x