SOLUTION: 2x+3y=13 ,5x+2y=16 linear equations in the form of matrics

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Question 907653: 2x+3y=13 ,5x+2y=16 linear equations in the form of matrics
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

Use Cramer's rule.
A=%28matrix%282%2C2%2C2%2C3%2C5%2C2%29%29
abs%28A%29=-11
.
.
A%5Bx%5D=%28matrix%282%2C2%2C13%2C3%2C16%2C2%29%29
abs%28A%5Bx%5D%29=-22
.
.
A%5By%5D=%28matrix%282%2C2%2C2%2C13%2C5%2C16%29%29
abs%28A%5By%5D%29=-33
.
.
x=abs%28A%5Bx%5D%29%2Fabs%28A%29=-22%2F%28-11%29=2
.
.
y=abs%28A%5By%5D%29%2Fabs%28A%29=-33%2F%28-11%29=3