Respuesta:
Explicación paso a paso:
2(x-5)+3(x+5)=20
2 . 5x +3. 5x =20
10x .10 =20
10x= 20+ 10
10x=30
x=30 /10
x=3
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Respuesta:
Explicación paso a paso:
2(x-5)+3(x+5)=20
2 . 5x +3. 5x =20
10x .10 =20
10x= 20+ 10
10x=30
x=30 /10
x=3