four times the sum of two numbers is 72 and their difference is 8 find the number
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Answered by
0
Answer:
I DONT UNDERSTAND MALAYALI ANNO YENKIL THERI VILLIKARUTHU
Step-by-step explanation:
ATH NE MANISILAVANNAM KETTODA
Answered by
3
Answer:
x+y=72
y = 72-x
.
x-y =8
.
Substitute for y
x -(72-x) =8
Simplify and solve
x - 72 +x = 8
2x = 120
.
x = 60
y = 72 -60 = 12
.
check your answer
60-12 =
x+y=78
x-y=4
----
Add and solve for "x":
2x = 126
x = 63
Step-by-step explanation:
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