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Earn +20 ptsQ: How do you work out 3a plus 15 equals 4a?
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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?
The absolute value of 6 plus 3a equals 15?
Subtract 6 from each side: 3a = 9Divide each side by 3: a = 3Job done.
A plus a plus a-2a equals?
a + a + a - 2a = 3a - 2a = a
3a plus 21 equals 30 what is a?
a = 3
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