Question

4(x-3)-(x-4)=6-x

3x+100=5(200-3x)

5(20-x)=4(2x-1)

7(x-18)=3(x-14)

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Answer 1

Respuesta:

4(x-3)-(x-4)=6-x

4x - 12 - x + 4 = 6 - x

4x - x + x = 6 + 12 - 4

4x = 14

x = 14/4

x = 7/2

3x+100=5(200-3x)

3x + 100 = 1000 - 15x

3x + 15x = 1000 - 100

18x = 900

x = 900/18

x = 50

5(20-x)=4(2x-1)

100 - 5x = 8x - 4

-5x - 8x = -4 - 100

-13x = -104

x = -104/-13

x = 8

7(x-18)=3(x-14)

7x - 126 = 3x - 42

7x - 3x = -42 + 126

4x = 84

x = 84/4

x = 21

Explicación paso a paso: