Question

3. Joe solved and justified each step as shown. Identify Joe’s error and fix his mistake.

Step Justification
Given equation
Multiplication Property of Equality
Subtraction Property of Equality

Answer 1

@jackthegreatest .... Is this correct?
3+x/2=10 Given
3+x=20 Multiplication prop of =
x=17 Subtraction prop o

Answer 2

do you have a screenshot

Answer 3

@Weaver

Answer 4

close, for the second step, you multiply everything by 2
so 6 + x = 20

Answer 5

thanks

Answer 6

np