Cramer's Rule

0.2506x + 2.487y = 1099
2.45x + 2.557y = 7408
x = 2,863.63; y = 153.35
Verify by Gaussian Elimination: Array ( [0] => 2863.6290323734 [1] => 153.34723139816 )

Cramer's rule calculation steps

Benford's Law Pearson's Chi-squared Test Common Phrase Cramer's Rule Dice Captcha Simple Test IP Address Data Linear Regression Prime Number Sina Stock Data