27^x −1 = 9^3x−7 what is x
^ = exponent
27 to the power of x minus 1= 9 to the power of 3x-7

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?