Question

Ayuda a calcular el valor de la incógnita

7×-12=93

8×+4= -12


1/2 ×-1/4= 1/8

Answer 1

7x-12=93
7x=93+12
7x=105
x=15


8x+4=-12
8x=-12-4
8x=-16
X=-16:8
X=-2


1/2x-1/4=1/8
1/2x-1/4-(1/8)=0

Answer 2

7x-12=93
7x=105
x=15

8x+4=-12
8x=-16
x=-2