Given: 7x + 2 = 2 + 5x – 6
Prove: x = –3

Given the equation 7x + 2 = 2 + 5x – 6, use the commutative property to rearrange the terms so that like terms are next to one another. This gives the equation 7x + 2 = 2 – 6 + 5x. Then, use the ____________________ to group the like terms. This gives the equation 7x + 2 = (2 – 6) + 5x. Next, combine like terms to get the equation 7x + 2 = –4 + 5x. Use the subtraction property of equality to subtract 5x from both sides of the equation. This gives the equation 2x + 2 = –4. Then use the subtraction property of equality again to subtract 2 from

Question

Given: 7x + 2 = 2 + 5x – 6
Prove: x = –3 
 
Given the equation 7x + 2 = 2 + 5x – 6, use the commutative property to rearrange the terms so that like terms are next to one another. This gives the equation 7x + 2 = 2 – 6 + 5x.  Then, use the ____________________ to group the like terms.  This gives the equation 7x + 2 = (2 – 6) + 5x.  Next, combine like terms to get the equation 7x + 2 = –4 + 5x.  Use the subtraction property of equality to subtract 5x from both sides of the equation.  This gives the equation 2x + 2 = –4.  Then use the subtraction property of equality again to subtract 2 from

anonymous · Answer

both sides of the equation.  This gives the equation 2x = –6.  Finally, use the division property of equality to divide both sides of the equation by 2 to give a final solution of x = –3.  Therefore, given the equation 7x + 2 = 2 + 5x – 6, x is equal to –3.
 
Which justification was left out of the paragraph proof above?
Answer
		Commutative Property of Addition
		Associative Property of Addition
		Distributive Property
		Addition Property of Equality