1) x^2 + 12^2 = 13^2
x^2=169-144=25
x=5 м
2) (х-6)2=(7-х)2
х-6=7-х
2x=13
x=6,5
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Verified answer
1) x^2 + 12^2 = 13^2
x^2=169-144=25
x=5 м
2) (х-6)2=(7-х)2
х-6=7-х
2x=13
x=6,5