Question

6. Complete the two-column proof.

Given: 3x + 4 = 10 Prove: x = 2
3x + 4 = 10 __?___
3x = 6 __?___
x = 2 ___?___

Answer 1

3x+4=10 Given

3x=6 Subtraction Property of Equality

x=2 Division Property of Equality

Answer 2

see explanation

Explanation:

given

3x + 4 = 10 ( subtract 4 from both sides )

3x = 10 - 4 = 6 ( divide both sides by 3 )

x = 6 ÷ 3 = 2

thus x = 2 is proven