Question

Dau coroană! Multumesc.
x-y=96
x=?
y=?
x:y=4

Answer 1

x-y= 96
x:y= 4 =>x= 4y
4y-y= 96
3y= 96
y= 96/3
y= 32
x= 4y= 4•32= 128

x= 128
y= 32

Answer 2

x - y = 96

x : y = 4

x = 4y

4y - y = 96

3y = 96

y = 96 : 3

y = 32

x = 4 × 32 = 128

128 - 32 = 96

128 : 32 = 4