Solve the equation show your work 3x=45

x=15

Step-by-step explanation:

3x=45

divide each side by 3

3x/3 = 45/3

x =15

To solve for x, we divide both sides of the equation by the coefficient of x which in this problem is 3. When we do that, we get x = 15.

My work is attached in the image provided.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.