September 2018 1 20 Report

ROZWIĄŻ ROWNANIA metodą przeciwnych współczynników

C)
(x + 2)/5 - 2y = 5
x -( y+2)/6 = 3

d)
(x + y)/2 - x/3 = 4
(x - y)/2 + y/3 = -3

e)
(3x - 1)/5 + (2y - 3)/4 = 3(y +1)
(x + y)/4 -( 3y - 1)/2 =( x - 6y)/4

f)
(3x - 2)/3 -( 2x + y)/6 = (x + 1)/6
x + y - (-x + y)/5 = 1/5 - 0,8x


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