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Faithdestinyv ∙
If x=4 then 2x+7 =
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2x+3 = 7 2x = 7-3 2x = 4 x = 2
If: 2x+6x-4 = 52 Then: x = 7
(3, 1)
3x+4 = 2x-3 3x-2x = -3-4 x = -7
{-4,-5}