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Earn +20 ptsQ: What is 5a - a - 2a - 18?
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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
How do you simplify 2a plus 5a?
Add them together: 2a+5a = 7a
What does 2a plus 5a plus 3a equal?
2a + 5a + 3a = 10a
Simplify 2a plus 11a minus 5a?
2a + 11a - 5a = 8a
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
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