Uprość wyrażenia algebraiczne :
a)-7+3y+9+2y
b)x-3x+2-2x-7
c)-5x+4y-y-7x-9y
d)4x+5-x-4+x-3x
e)0,5a-2a+9-0,5a-11,5
f)-14k+9k-13+k+3+4k
g)-3k+2m+5m-7+k-m
h)2x-4+3x-2
i)x-3y-2x+6y
j)2y-5-3y-4-8y+9
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a)-7+3y+9+2y = 5y + 2
b)x-3x+2-2x-7 = -4x - 5
c)-5x+4y-y-7x-9y = -12x - 6y
d)4x+5-x-4+x-3x = x +1
e)0,5a-2a+9-0,5a-11,5 = -2a -2,5
f)-14k+9k-13+k+3+4k = -10
g)-3k+2m+5m-7+k-m = -2k +6m -7
h)2x-4+3x-2 = 5x -6
i)x-3y-2x+6y = -x -3y
j)2y-5-3y-4-8y+9 = -9y
Liczę na naj ;).