0
Anonymous
0.15 - 0.20x = 0.30x + 3.00
-0.20x - 0.30x = 3.00 - 0.15
-0.50x = 2.85
x = 2.85/-0.50
x = -5.70
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-5.70
Mia Padron ∙
- - x + 3 = x + 3
(x+3)(x+4) = x2+7x+12
11+(7-3)2=
1
7