Write the number described by 1 ten 16 ones

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup