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antwann23
19.08.2019 •
Mathematics
What is the justification for step 2 in the solution process?
10x − 25 − 3x = 4x − 1
step 1: 7x − 25 = 4x − 1
step 2: 7x = 4x + 24
a.
the multiplication property of equality
b.
the addition property of equality
c.
the division property of equality
d.
the subtraction property of equality
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Ответ:
OPTION B.
Step-by-step explanation:
Given the following equation:
These are the steps to solve it:
Step 1
Add like terms on the left side of the equation:
Step 2
Apply Addition property of equality, which states that:![If\ a=b\ then\ a+c=b+c](/tpl/images/0179/4398/70f0b.png)
Then, we can add 25 to both sides of the equation:
Step 3
Applying the Subtraction property of equality, we can subtract
from both sides:
Step 4
Applying the Division property of equality, we can both sides of the equation by 3. Then:
Ответ:
B. the addition property of equality
Step-by-step explanation:
we have:
Step 1: 7x − 25= 4x − 1
we apply the addition property of equality:
7x − 25+25= 4x − 1 +25
finally we have
Step 2: 7x = 4x + 24
Ответ:
Two sections
Step-by-step explanation: