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Q: What is 3a - 8 when A is 5?

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-8a + 3a = (-8 + 3)a = (5)a = 5a

3a + a = 4a Example: a = 5 (3x5) + 5 = 15 + 5 = 20 = 4 x 5

(3a-8) + 5x(a)

What is the answers to -7 ( a + b - 5 ) + 8 ( -3a +2b ) + b ( 7 + 3 )

If 3a+5=5a+3, then: 3a+5 - 3a = 5a+3 - 3a 5=2a+3 5 - 3=2a+3 - 3 2=2a a=1

5a times 3a minus 8a = (5*3)*a2 - 8a = 15a2 - 8a

3a - 5 cannot be factored further.

-3a-12 = 12+12 +12-3a = +12~ ~-3 -3a = -8

a x a x a = a3

-2

y = (3 X 8) - 5 = 21.

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