Question

Nathan wrote the following steps to prove the equation: Given: 3(x + 2) = 6x + 3 Prove: x = 1 0: 3(x + 2) = 6x + 3 - Given step1: 3x + 6 = 6x + 3- Distributive Property step2: 6 = 3x + 3 -Commutative Property of Addition step3: 3x + 3 = 6- Symmetric Property of Equality step4: 3x = 3- Subtraction Property of Equality step5: x = 1- Division Property of Equality Which step of justification is incorrect, and what should the justification for that step be to solve the equation?

Answer 1

oh god the text...

Answer 2

http://www.wolframalpha.com/

Answer 3

lol yea i dont know how to copy that image

Answer 4

or wait maybe i do

Answer 5

Which step of justification is incorrect, and what should the justification for that step be to solve the equation?

Answer 6

Step 4; Commutative Property of Multiplication

Step 3; Reflexive Property of Equality

Step 1; Associative Property of Addition

Step 2; Subtraction Property of Equality

i was thinking step 2