Question

помогите пж срочно нужно​

Answer 1

Ответ:

Пошаговое объяснение:

2x + 3 = x - 6

2x - x = -6 - 3

x = -9

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z + 4 - 3 = 2z

z + 1 = 2z

2z - z = 1

z = 1

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5 - 3y = 4 - 2y

3y - 2y = 5 - 4

y = 1

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7 - 3x = 4x - 9

4x + 3x = 7 + 9

7x = 16

x = 16 : 7

x = 2 2/7

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6a - 1 = 3a + 7

6a - 3a = 7 + 1

3a = 8

a = 8 : 3

a = 2 2/3

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10y - 3 = 5 + 3y

10y - 3y = 5 + 3

7y = 8

y = 8 : 7

y = 1 1/7