Question

x[1+2(3-1)]=4x-7
Agradeço a ajuda!!

Answer 1

x . [1 + 2.(3 - 1)] = 4x - 7 x . [1 + 4] = 4x - 7 5x = 4x - 7 5x - 4x = -7 x = -7 S = {-7}

Answer 2

x . [1+2(3-1)]=4x-7

x . [1 + 6 - 2] = 4x - 7

x . [1 + 4 ]  = 4x - 7

x . [5] = 4x - 7

5x = 4x - 7

5x - 4x = -7

x = -7


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Gannicus
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