Question

5x+4=7x+1

2(×-3)+1=5-4(x-2)

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Answer 1

Răspuns:

5x + 4 = 7x + 1

5x - 7x = 1 - 4

- 2x = - 3

x = 3/2

__________

2(x - 3) + 1 = 5 - 4(x - 2)

2x - 6 + 1 = 5 - 4x + 8

2x - 5 = 13 - 4x

2x + 4x = 13 + 5

6x = 18

x = 18 : 6

x = 3

Answer 2

Răspuns:

5x+4=7x+1

5x-7x=1-4

-2x=-3

x=3/2

2(x-3)+1 =5-4(x - 2)

2x-6+1=5-4x + 8

2x-5=13-4x

2x+4x=13+5

6x=18

x=18:6

x=3