Rozwiąż równwnie :
a+b=70
a+4=b-3
{a+b = 70
a+4 = b-3
a = b-3-4
{b-3-4+b = 70
a = b-7
{2b = 70+3+4
{2b = 77 /2
{b = 38,5
a = 38,5 - 7
a = 31,5
wydaje mi się, że tak ma być, ;)
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{a+b = 70
a+4 = b-3
{a+b = 70
a = b-3-4
{b-3-4+b = 70
a = b-7
{2b = 70+3+4
a = b-7
{2b = 77 /2
a = b-7
{b = 38,5
a = 38,5 - 7
{b = 38,5
a = 31,5
wydaje mi się, że tak ma być, ;)