a)
b ) c)
16x-3y=15/*2
5x+6y=27
32x-6y=30
32x-5x=30-27 y-się redukóją
27x=3/27
x=\frac{3}{27}
5*\frac{3}{27}+6y=27
\frac{5}{27}+6y=27
6y=27-\frac{3}{27}
6y=24/6
y=4
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a)
16x-3y=15/*2
5x+6y=27
32x-6y=30
5x+6y=27
32x-5x=30-27 y-się redukóją
27x=3/27
x=\frac{3}{27}
x=\frac{3}{27}
5x+6y=27
x=\frac{3}{27}
5*\frac{3}{27}+6y=27
\frac{5}{27}+6y=27
6y=27-\frac{3}{27}
6y=24/6
y=4