Question

Resuelve las siguientes ecuaciones:
x-2x+1 =8-3x+3
2x-8=10

Answer 1

x - 2x + 1 = 8 - 3x + 3

x - 2x + 3x = 11 - 1

4x - 2x = 10

2x = 10

x = 10 / 2

x = 5

COMPROBAMOS =

x - 2x + 1 = 8 - 3x + 3

(5) - 2(5) + 1 = 8 - 3(5) + 3

5 - 10 + 1 = 11 - 15

6 - 10 = - 4

- 4 = - 4

2x - 8 = 10

2x = 10 + 8

2x = 18

x = 18 / 2

x = 9

COMPROBAMOS =

2x - 8 = 10

2(9) - 8 = 10

18 - 8 = 10

10 = 10

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