A student is attempting to evaluate the literal equation below. Which statement best applies to the sample mathematical work sho
wn? A.The student's substitution in step 1 is invalid or incorrect. B.The simplification performed in step 2 is invalid or incorrect. C.Raising 4 to the second power in step 3 before multiplying it by 3 is an invalid or incorrect. D.The mathematical work is correct as written.
Firstly you forgot to attach the mathematical work along with your question. I am answering the question based on my research and knowledge and hope that it helps you. "The simplification performed in step 2 is invalid or incorrect" is the statement that <span>best applies to the sample mathematical work. The correct option among all the options given in the question is option "B".</span>
4(x+5)+6=2(2x+3) 4x+20+6=4x+6 4x+26=4x+6 Get letters on left...so subtract 4x from right and do same to left 26=6 no solution because 26 does not equal 6