Respuesta :
Answer:
a=1/2
b= -24
Explanation:
a) 12x+8=2x+13
12x-2x=13-8
10x=5
x=5/10
x=1/2
b) -2x-20+25=53
-2x=53+20-25
-2x=48
2x= -48
x= -24
Answer:
a=1/2
b= -24
Explanation:
a) 12x+8=2x+13
12x-2x=13-8
10x=5
x=5/10
x=1/2
b) -2x-20+25=53
-2x=53+20-25
-2x=48
2x= -48
x= -24