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Earn +20 ptsQ: 3a plus 21 equals 30 what is a?
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What is 3a equals 30 plus 30?
a = 20
How do you solve -2a plus 5 plus 3a equals 15-21?
depends what 'a' =
If a plus b equals 6 what is the value of 3a plus 3b?
If a + b = 6, what is the value of 3a + 3b?
What is 3a-7 equals -28?
3a - 7 = -28 Therefore, 3a = -21 a = -21/3 Therefore, a = -7
A plus a plus a-2a equals?
a + a + a - 2a = 3a - 2a = a
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