Mathematics, 03.05.2020 13:43, shookiegriffin

What is the missing reason in step 3?
Statements
1. mZTRV=60ºmZTRS (4x)
2. ZTRS and ZTRV are a linear pair
mZTRS + MZTRV - 180
4. 60+4x - 180
5 4x = 120
6. X-30
Reasons
given
2. definition of linear pair
3. ?
4. substitution property of equality
5. subtraction property of equality
6. division property of equality

What is the missing reason in step 3? Statements 1. mZTRV=60ºmZTRS (4x) 2. ZTRS and ZTRV are a linea

Answers: 2

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What is the missing reason in step 3?
Statements
1. mZTRV=60ºmZTRS (4x)
2. ZTRS an...