1) 3 - (4x + 1) = - 2

2) 6 + (3 - x) = 10

3) - 2y - (5 + y) = 13

4) 4x - 2 * (x + 7) = 2x - 2 * (x - 1)

5) 10 - 5 * (x - 1) = - 4 * (x - 2)

Question

Математика

Тена

18 декабря, 08:39

1) 3 - (4x + 1) = - 2

2) 6 + (3 - x) = 10

3) - 2y - (5 + y) = 13

4) 4x - 2 * (x + 7) = 2x - 2 * (x - 1)

5) 10 - 5 * (x - 1) = - 4 * (x - 2)

+4

Ответы (1)

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Филарет · Answer 1

1) 3 - (4 х+1) = 2

3-4 х+1=2

-4 х = 2-4

-х=-2/4=-1/2=-0.5 | * (-1)

х=0.5

2) 6 + (3-х) = 10

6+3-х=10

-х=10-9

х=-1

-2 у - (5+у) = 13

-2 у-5+у=13

-у-5=13

-у=13+5=18

у=-18

1) 3 - (4x + 1) = - 22) 6 + (3 - x) = 103) - 2y - (5 + y) = 134) 4x - 2 * (x + 7) = 2x - 2 * (x - 1)5) 10 - 5 * (x - 1) = - 4 * (x - 2)

1) 3 - (4x + 1) = - 2

2) 6 + (3 - x) = 10

3) - 2y - (5 + y) = 13

4) 4x - 2 * (x + 7) = 2x - 2 * (x - 1)

5) 10 - 5 * (x - 1) = - 4 * (x - 2)