Solve the equation using inverse operations. check your solutions. in your final answer, include all of your work. 1/4x^3=-27/4

With #! i’ve tried to figure it out but i can’t.

For what value of x does 4x = (1/8) x + 5?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.