x + 2 x + 3 x + 3x =180
9 x = 180
180÷9= x
x=20
intentalo aser con transportador ok
Explicación paso a paso:
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x + 2 x + 3 x + 3x =180
9 x = 180
180÷9= x
x=20
intentalo aser con transportador ok
Explicación paso a paso: