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musickatia [10]
3 years ago
12

What is the answer for this equation "10=z/2+7"

Mathematics
2 answers:
NNADVOKAT [17]3 years ago
7 0
<span>10=z/2+7
Subtracat 7 from both sides
3=z/2
Multiply 2 on both sides
Final Answer: 6 = z</span>
yKpoI14uk [10]3 years ago
4 0
Remember that you can do anyting to an equation as long as you do it to both sides

so
10=z/2+7
minus from both sides
10-7=z/2+7-7
3=z/2+0
3=z/2
times both sides by 2/1
6/1=2z/2
6=1z
6=z
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If, in 7 years, Susan will be 2 times as old as she was 3 years ago, what is Susan’s present age?
pochemuha

Answer:

13

Step-by-step explanation:

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3 years ago
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2 years ago
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<h3><u>✽</u></h3>

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