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Earn +20 ptsQ: What is the variable for 2a plus 9 equals 4a - 19?
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What is the solution to a equals 3a plus 4?
a = 3a + 4 0 = 2a + 4 2a = -4 a = -2
How do you solve for the variable b in 2a plus 2b equals c?
2a + 2b = c subtract 2a from both sides 2a - 2a + 2b = c - 2a 2b = c - 2a divide both sides by 2 (2/2)b = (c - 2a)/2 b = (c - 2a)/2 --------------------
What is 2a plus 5 equals 45?
A equals 20.
Simplify 2a plus 3a plus 4 equals?
2a + 3a + 4 = 5a + 4
How do you answer 2a plus 1 equals 3?
2a + 1 = 3subtract 1 from both sides2a = 2divide both sides by 2a = 1
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