harry-m
harry-m
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8 - 1/4 (3x - 5) = 4 - x => 32 - 1 (3x - 5) = 16 - 4x................X by 4 => 32 - 3x + 5 = 16 - 4x => 4x - 3x = 16 - 5 -32 => x = -21 QED
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8 - 1/4 (3x - 5) = 4 - x => 32 - 1 (3x - 5) = 16 - 4x................X by 4 => 32 - 3x + 5 = 16 - 4x => 4x - 3x = 16 - 5 -32 => x = -21 QED
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perimeter=2( x2 + 12x + 7x + 90) =2(x2 + 19x + 90) =2(x + 10)(x + 9)
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perimeter=2( x2 + 12x + 7x + 90) =2(x2 + 19x + 90) =2(x + 10)(x + 9)
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perimeter=2( x2 + 12x + 7x + 90) =2(x2 + 19x + 90) =2(x + 10)(x + 9)