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Explain how to solve 2x + 7 = 15

Explain how to solve 2x + 7 = 15
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5 votes
Explain how to solve 2x + 7 = 15

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User J Griffiths
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2 Answers

2 votes
You would work backwards:15-7=8, because you will be adding this anyways later, and then you see that 2x = 8, then divide both sides by two, and you are left with the equation: x = 4, and there is your answer. x = 4.
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User Charchit Agarwal
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4 votes
The x would be 4 because if you multiply 2 times 4, that's 8, and 8+7=15
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User Christopher Aden
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