CALCULO MENTAL. calculen el valor que tiene que tomar cada letra para que se verifiquen las siguientes igualdades AYUDAAAA
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Respuesta:
[tex]x + 1 = 7 \\ x = 7 - 1 \\ x = 6[/tex]
[tex]x + 2 = 20 \\ x = 20 - 2 \\ x = 18[/tex]
[tex]x - 5 = 32 \\ x = 32 + 5 \\ x = 37[/tex]
[tex]x - 105 = 6 \\ x = 6 + 105 \\ x = 111[/tex]
[tex]a + 12 = 43 \\ a = 43 - 12 \\ a = 31[/tex]
[tex]b - 15 = 4 \\ b = 19[/tex]
[tex]6 - c = 1 \\ c = 5[/tex]
[tex]735 - q = 600 \\ q = 135[/tex]