3*5 - 8 = 15-8 = 7
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∙ 2011-01-09 16:31:57-8a + 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.
5