resolver las ecuaciones completas y bajar en términos
7. × - 10 = 4.× + 17
15. × + 2 - 9. × =20
7. × - 10 = 4.× + 17
15. × + 2 - 9. × =20
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Respuesta:
7x-10 = 4x +17
7x - 4x = 17 + 10
3x = 27
x = 27/3
x = 9
15x + 2 - 9x = 20
15x - 9x = 20 - 2
6x = 18
x = 18/6
x = 3