Verified answer

Verified answer

5).

2 = (3x - 5) - (7 - 4x)

3x - 5 - 7 + 4x = 2

7x = 14

x = 2

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Ответ:{2}

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6).

8x + 5 = 119 + (7 - 3x)

8x + 3x = 119 + 7 - 5

11x = 121

x = 121 : 11

x = 11

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Ответ: {11}