Question

RESPONDAN BIEN SINO LOS REPORTO ​

Answer 1

(Ver en las imagenes las soluciones).

Comprobamos:

A)

x - 3/4 = 3/2

9/4 - 3/4 = 3/2

6/4 = 3/2

3/2 = 3/2

B)

1.5x = 10

1,5 * 10 = 15

15 = 15

C)

5x - 7 = 93

5 * 20 - 7 = 93

100 - 7 = 93

93 = 93

D)

4x - 2.5 = 3x + 6.5

4(9) -2.5 = 3(9) + 6.5

36 - 2.5 = 3(9) + 6.5

36 - 2.5 = 27 + 6.5

33.5 = 27 + 6.5

33.5 = 33.5

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