Question

Given: mAngleADE = 60° and mAngleCDF = (3x + 15)°
Prove: x = 15

What is the missing statement and the missing reason in step 5?

-Statement: 60 = 3x + 15; Reason: substitution
-Statement: x = 15; Reason: subtraction property of equality
-Statement: 60 = 3x + 15; Reason: transitive property
-Statement: x = 15; Reason: subtraction and division properties of equality

Answer 1

what do you know it isnt?

Answer 2

3 and 4 i think-

Answer 3

its not 3 or 4, correct.

Answer 4

so now you have to figure out what is being done

Answer 5

what would be the next statement

Answer 6

i have a feeling its the first one but i really dont know why

Answer 7

yes

Answer 8

so you substitute in the measure of the angle for the name