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Earn +20 ptsQ: What is 2a - 1 equals 9?
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What is the variable for 2a plus 9 equals 4a - 19?
2a + 9 = 4a - 19 9 + 19 = 4a - 2a 28 = 2a a = 14
How do you answer 2a plus 1 equals 3?
2a + 1 = 3subtract 1 from both sides2a = 2divide both sides by 2a = 1
What is 2a plus 5 equals 45?
A equals 20.
What is the multaplicative inverse of -2a?
The multiplicative inverse of -2a is 1/(-2a) = -1/2a
What is 2a-3 when a equals 2?
2a -3 means 2 times a minus 3 if a = 2 we have 2 x 2 - 3 = 4 - 3 = 1
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