2(2x3)=6+x



4(x-10)=6(2-x)-6x



3(4x+7)=4x-25

Respuestas

Respuesta dada por: axllxa
3

2(2x3)=6+x

2(6) = 6 + x

12 = 6 + x

12 - 6 0x

6 = x

4(x-10)=6(2-x)-6x

4x - 40 = 12 - 6x - 6x

4x - 40 = 12 - 12x

4x + 12x = 12 + 40

16x = 52

x = 52/16

x = 13/4

3(4x+7)=4x-25

12x + 21 = 4x - 25

12x - 4x = -21 - 25

8x = -46

x = - 46/8

x = -23/4

Eternamente axllxa

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