October 2018 1 212 Report

Dane jest równanie i jego pierwiastek Wyznacz liczbe a,

a) 5y+(4-3y)=a; / y=4

b)ab-(6+b)=0; / b=6

c) 4(10-5x)=3(-3x-a); / x=5

d) 5(x=1)-(x-2)=a(x+3); /x+-4

z góry dzieki :)


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