Przykłady w zalączniku prosze o podanie dokladnych rozwiazan.
3x+y=11
2x-y=2
5x=13
x=13/5
x=2⅗
............
y=11-3×¹³/₅=11-³⁹/₅=¹⁶/₅
y=3⅕
.............
b]
4a+3b=11
4a-3b=5
8a=16
a=16:8
a=2
................
4×2+3b=11
3b=11-8
b=3:3
b=1
...........
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3x+y=11
2x-y=2
5x=13
x=13/5
x=2⅗
............
3x+y=11
y=11-3×¹³/₅=11-³⁹/₅=¹⁶/₅
y=3⅕
.............
b]
4a+3b=11
4a-3b=5
8a=16
a=16:8
a=2
................
4×2+3b=11
3b=11-8
b=3:3
b=1
...........