Discover the best answers at Westonci.ca, where experts share their insights and knowledge with you. Discover in-depth solutions to your questions from a wide range of experts on our user-friendly Q&A platform. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

Find the incorrect step in each solution and explain whit it is incorrect.

Find The Incorrect Step In Each Solution And Explain Whit It Is Incorrect class=

Sagot :

Answer:

Step-by-step explanation:

Mai:

She subtracted 5x instead of distributing. This is incorrect, because since it is in ( ), it has to be multiplied by 3.

Correct: 3(5x + 9) = 15x + 27

12x + 3 = 15x + 27

Noah:

Added 15x instead of subtracting. This is incorrect, because to combine like terms on each side you would add a negative number and subtract a positive number.

Correct: 12x + 3 = 15x + 27

12x - 15x = 27 - 3

-3x = 24

x = 24 / -3

x = -8