Срочно нужна помощь 1.Решите уравнения
[tex](x + 5) \times 7 - 54 = (x + 5) \times 4[/tex]
[tex]17 \times (x - 2) - 36 = 19 + (x - 2) \times 12[/tex]
[tex](x + 5) \times 7 - 54 = (x + 5) \times 4[/tex]
[tex]17 \times (x - 2) - 36 = 19 + (x - 2) \times 12[/tex]
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7x-19=4x+20
3x=39
x=13
2). 17x-34-36=19+12x-24
17x-70=-5+12x
5x=65
x=13