mroueh21
16.04.2020 •
Mathematics
Select the correct answer.
What is the justification for step 3 in the solution process?
10d − 5 = 4d − 15 − 3d
Step 1: 10d − 5 = d − 15
Step 2: 9d − 5 = -15
Step 3: 9d = -10
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Ответ:
subtraction property of equality
Step-by-step explanation:
subtracting d from both sides is the subtraction property of equality
Ответ:
4.5/3 =1.5
1.5+1.5+1.5 = 4.5