Write a two column proof.

Given: 7y=8x-14; y=6

Prove: x=7

Question

Gaige

Mathematics

29 July, 03:36

Write a two column proof.

Given: 7y=8x-14; y=6

Prove: x=7

+2

Answers (2)

Know the Answer?

Doodles · Answer 1

7y = 8x - 14

7y = 7 (6) Reason : Given

7y = 42

8x - 14 = 42 Reason: Because 8x - 14 equals to 7y

8x = 42 + 14 Reason : Because we flip 14 on to the other side of the equation thus it becomes opposute of what it was.

8x = 56

* = 7

Proven

Billie · Answer 2

Given - 7y=8x-14 : y=6

Substitution Property - 7 (6) = 8x-14

Distributive Property - 8x-14=42

Addition Property - 8x=56

Division Property - x=7

Write a two column proof.Given: 7y=8x-14; y=6Prove: x=7

Write a two column proof.

Given: 7y=8x-14; y=6

Prove: x=7