Answers

2014-10-06T17:47:01+08:00
X = 5 ; y = 19

let y be: 3x + 4

3x +4 + x = 24
4x + 4 = 24
4x = 24 - 4
4x = 20
4x / 4 = 20 / 4
x = 5

y = 3x + 4
y = 3(5) + 4
y = 19
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