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Solve -a + 7 = 2a - 8. a=5 D a= 15 a -3 = B a
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Solve -a + 7 = 2a - 8. a=5 D a= 15 a -3 = B a

User DaveIdito
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We want to solve for a
-a + 7 = 2a - 8
we will add 8 to both sides and simply to
-a + 15 = 2a
We will then add a to both sides and simply to
15 = 3a
We then divide by 3 on both sides to get
a=5
User Laverne
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7.6k points
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