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25y+50+3x-15=-10
10y=-2x-10
25y+50+3x-15=-10
y=-0,2x-1
-5x-25+50+3x-15=-10
y=-0,2x-1
-2x=-30
y=-0,2x-1
x=15
y=-2
x=15
powino byc dobrze
25(y+2)+3(x-5)= -10
19y+20+3x-15= x-5
25y+50+3x-15= -10
19y+2x-=-10/:2
20y+3x=-45