2x - 3 + 4x = 21
cual es el resueltado

What does it mean by solve the exponential equation for x?

On the april 3 billing date, michaelle chappell had a balance due of $ 1495.39 on her credit card. from april 3 through may 2, michaelle charged an additional $ 305.34 and made a payment of $ 800.a) find the finance charge on may 3, using the previous balance method. assume that the interest rate is 1.8 % per month.b) find the new balance on may 3.

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is