Mathematics, 04.07.2020 01:01 MrRandomUser

Given: m ZTRV= 60 mZTRV= (4x)°
Prove: x= 30
N
60° R
(4x)"
w
S
What is the missing reason in step 3?
Statements
1. mZTRV=60°; mZTRS= (4x)º
2. ZTRS and ZTRV are a linear pair
3. mZTRS+ mZTRV= 180
4. 60+4x=180
5. 4x = 120
6. X = 30
Reasons
1. given
2. definition of linear pair
3. ?
4. substitution property of equality
5. subtraction property of equality
6. division property of equality
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Given: m ZTRV= 60 mZTRV= (4x)°
Prove: x= 30
N
60° R
(4x)"
w
S

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