A student solved the equation: x + 2 (x+1) = 17
Line 1: x + 2x + 1 = 17
Line 2: 3x + 1 = 17
Line 3: 3x = 16
Line 4: x = 16/3
Identify the Property used to go from Line 2 to Line 3:
Which line has a mistake?
What should have been the correct answer for the equation?
Word bank:
Distributive Property
Subtraction Property of Equality
Combine like terms
Multiplication Property of Equality
Line 1
Line 2
Line 3
Line 4
No solution
x =5
x = 45
x = 15
The property used to go from Line 2 to Line 3 is the Subtraction Property of Equality.
There is no mistake in the lines provided.
The correct answer for the equation is x = 16/3.
use the answers in the word bank
The Property used to go from Line 2 to Line 3 is the Subtraction Property of Equality.
The mistake is in Line 3.
The correct answer for the equation should have been x = 5.