Question

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Answer 1

Respuesta:

1) 26

2) 179, 180 y 181

3) 30 y 31

4) 1760

Explicación paso a paso:

1) 5x - x = 104

4x = 104

x = 104/4

x = 26

2) x + y + z = 540

y = x + 1

z = x + 2

x + x + 1 + x + 2 = 540

3x + 3 = 540

3x = 540 - 3

3x = 537

x = 537/3

x = 179

y = 179 + 1

y = 180

z = 179 + 2

z = 181

3) x + 2(x + 1) = 62

x + 2x + 2 = 62

3x = 62 - 2

3x = 60

x = 60/3

x = 30

y = 31

4) x + x + 440 + x + 880 = 6600

3x + 1320 = 6600

3x = 6600 - 1320

3x = 5280

x = 5280/3

x = 1760