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Lila Rose
Mathematics
4 January, 15:18
Solve the following system
{3x+y=1
{5x-2y=22
+3
Answers (
1
)
Bree
4 January, 15:42
0
3x + 1y = 1 ⇒ 15x + 5y = 5
5x - 2y = 22 ⇒ 15x - 6y = 66
11y = 61
11 11
y = 5⁶/₁₁
3x + 5⁶/₁₁ = 1
- 5⁶/₁₁ - 5⁶/₁₁
3x = - 4⁶/₁₁
3 3
x = 1¹⁷/₃₃
(x, y) = (1¹⁷/₃₃, 5⁶/₁₁)
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