stricklandashley43
24.06.2019 •
Mathematics
Select the property of equality used to arrive at the conclusion if x-3=7 , then x=10
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Ответ:
The addition property of equality
Step-by-step explanation:
According to the addition property of equality, if we add the same number to each side of an equation, the equality is still true.
We are given the equation
x – 3 = 7, and we must solve for x.
We want to get x by itself, so we add 3 to each side.
x – 3 + 3 = 7 + 3
x = 10
We have just used the addition property of equality.
Ответ:
1) 0.04, 3.6
2) 0.35, 49
Step-by-step explanation: