Respuesta:
6(3×+12)= 5 (3×+12)=
18x+72= 15x+60
18x-15x =60-72
3x. = -12
x = -12/3
x= -4
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Respuesta:
6(3×+12)= 5 (3×+12)=
18x+72= 15x+60
18x-15x =60-72
3x. = -12
x = -12/3
x= -4