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2x-5+2x+7-3x=8
x+2=8
x=8-2
x=6
b)
2y-2+3y-5y+2-y=4
-y=4
y=-4
pozdrawiam:)
2x-5+2x+7-3x=8
x+2=8
x=8-2
x=6
b)
2y-2+3y-5y+2-y=4
-y=4 /* (-1)
y= -4
mysle że pomogłam ;p
licze na max ;p;p;p;p
i dzięki z góry ;p