Respuesta :
Answer:
2x = 58 Step-by-step explanation:
x= 29
29+ y = 54
y = 54 - 29
y = 25
Check
29+25=54 √
29 - 25 = 4 √
Answer:
25
29
Step-by-step explanation:
a= FIRST NUMBER
b= SECOND NUMBER
a+b=54
a-b=4
a=4+b
we have:
4+b+b=54
2b=54-4
b=50/2= 25
a= 4+25
a=29