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lisabon 2012 [21]

3 years ago

10

Find the value if x and y

2 answers:

zzz [600]3 years ago

7 0

The value of X = 10 and y = 5

anyanavicka [17]3 years ago

5 0

3x+15x = 180
18x = 180
x = 10

10(x+y) + 3x = 180
10x + 10y + 3x = 180
13x + 10y = 180
13(10) + 10y = 180
130 + 10y = 180
10y = 50
y = 5

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