Answer:
Substitution property of equality
Step-by-step explanation:
Given
and 
Then

Required
State the property
From the list of options, (d) answers the question.
This is so because:
Substitution property of equality states that
If
then 
In other words, both can replace one another.
So if
, then 2y + 1 can be substituted for x in
So:
becomes

<em>Hence, it is substitution property of equality</em>
Answer:
26
Step-by-step explanation:
1:112=113
x:2912=y
Divide 2912 and 112
2912/112=26
1 × 26 = 26
Can you take picture better?I need to see this good
Answer:
Step-by-step explanation:
Add 13