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Earn +20 ptsQ: 7a plus 4 equals 5a plus 7?
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Simplify 2a plus 3a plus 4 equals?
2a + 3a + 4 = 5a + 4
7a2 plus 53a plus 28 equals?
7a2 + 53a + 28 = 7a2 + 49a + 4a + 28 = 7a(a + 7) +4(a + 7) = (a + 7)(7a + 4)
Solve each equation 2a-4 459-a check?
2a-8+4=45-5a 2a-4=45-5a 2a-4+4=45+4-5a 2a+5a=49-5a+5a 7a=49 / by 7 = A=7
Describe a symbolic method for solving a linear equation?
i dont understand what you mean by symbolic but ill just do an example 2a + 3 = 4 - 5a first collect like terms 2a +3 -3 = 4 -3 -5a 2a = 4-3 - 5a 2a + 5a = 1 - 5a + 5a 2a + 5a = 1 7a = 1 divide both sides by the coefficient of the unknwown(i.e. the number in front of the letter) 7a/7 = 1/7 a = 1/7
What is the answer to -5a equals 20?
a= -4 because a negative times a negative equals a positive
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