Help me pLEASE ! do it step by step so I can see how y'all do it.

5

Step-by-step explanation:

Since y equals 200 + 10x and y also equals 5x, then

200 + 10x = 50x

Subtract 10x from both sides.

200 = 40x

Divide both sides by 40.

5 = x

He must sell 5 sculptures.

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons