A)40
Explicación paso a paso:
papi mira
2x+2x+130+140+70=180
4x=180-340
4X=160
X=160÷4
X=40
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A)40
Explicación paso a paso:
papi mira
2x+2x+130+140+70=180
4x=180-340
4X=160
X=160÷4
X=40