Question

resolva as equações.
A) x+x+x= 78

Answer 1

temos que a)3X=78
X=78/3
X=26

Answer 2

Digaeee! Tudo bom?

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X + X + X = 78

3x = 78

X = 78 : 3

X = 26

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Espero ter ajudado!