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Larris4M
@Larris4M
July 2022
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6) Determine o valor de x na equação a seguir aplicando as técnicas resolutivas. a) 3-2 (x+3)=x-18 b)50+(3x-4)=2(3x-4) + 26
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3478elc
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a) 3-2 (x+3)=x-18 3 - 2x - 6 = x - 18 x + 2x = 3 - 6 + 18
3x = 15
x = 5
b)50+(3x-4)=2(3x-4) + 26 50 + 3x - 4 = 6x - 8 + 26
6x-3x = 50 - 4 -26+8
3x = 28
x = 28/3
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Larris4M
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Verified answer
a) 3-2 (x+3)=x-18 3 - 2x - 6 = x - 18 x + 2x = 3 - 6 + 18
3x = 15
x = 5
b)50+(3x-4)=2(3x-4) + 26 50 + 3x - 4 = 6x - 8 + 26
6x-3x = 50 - 4 -26+8
3x = 28
x = 28/3