[tex]6 \ times x + 3x - 7 = 16[ / tex][tex]6 \ times \ : x + 8 - x = 58[ / tex][tex]5 \ times x + 15 = 4x + 16[ / tex][tex]5 \ times x + 3 - 4 = 2 \ times x + 14[ / tex][tex]3 \ times x + 12 = 5 \ tim?
[tex]6 \ times x + 3x - 7 = 16[ / tex] [tex]6 \ times \ : x + 8 - x = 58[ / tex] [tex]5 \ times x + 15 = 4x + 16[ / tex] [tex]5 \ times x + 3 - 4 = 2 \ times x + 14[ / tex] [tex]3 \ times x + 12 = 5 \ times x + 20 + 1 - 3 \ times x[ / tex] AYUDAAA URGENTE.