15-07-2015
Mathematics

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What is the answer to 2a-3=7

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Аноним Аноним

15-07-2015

2a−3=7

Add 3 to both sides.

2a−3+3=7+3

2a=10

Divide both sides by 2.

2a / 2 = 10 / 2

a=5

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