Question

Una con una flecha, cada ecuación a su solución:
A. – 13 + x = - 8 [··············] - 8
B. – 8 + x = - 7 [··············] + 5
C. x – (- 13) = 5 [··············] + 1
D. 5 + x = 13 [··············] + 3
E. – 15 + x = - 12 [··············] + 8

Answer 1

Respuesta:

$A) - 13 + x = - 8 \\ x = - 8 + 13 \\ x = 5$

$B) - 8 + x = - 7 \\ x = - 7 + 8 \\ x = 1$

$C) x - ( - 13) = 5 \\ x + 13 = 5 \\ x = 5 - 13 \\ x = - 8$

$D) 5 + x = 1 3\\ x = 13 - 5 \\ x = 8$

$E ) - 15 + x = - 12 \\ x = - 12 + 15 \\ x = 3$