ecuaciones algebraicas 3x + 7 = 5x + 10​

Respuestas

Respuesta dada por: valeriaprado781
0

3x + 7 = 5x + 10

7 + 3x = 5x + 10

7 + 3x = 10 + 5x

7 + 3x = 10 + 5x

7 + 3x + -5x = 10 + 5x + -5x

3x + -5x = -2x

7 + -2x = 10 + 5x + -5x

5x + -5x = 0

7 + -2x = 10 + 0

7 + -2x = 10

7 + -7 + -2x = 10 + -7

7 + -7 = 0

0 + -2x = 10 + -7

-2x = 10 + -7

10 + -7 = 3

-2x = 3

x = -1.5

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