11. Uprość wyrażenia. a) 2x+1+5x = b) 3-2x+7= c) 0,4x-0,4+x= el 9a-62-9-6- 1) 5x-8-7x+4=
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Verified answer
Odpowiedź:
a) 2x+1+5x = 7x+1
b) 3-2x+7= 10-2x
c) 0,4x-0,4+x= 1,4x-0,4
d) 5x-8-7x+4= -2x-4
1 2x+1+5x=7x+1
2 3-2x+7=10-2x
3 0.4x-0.4+1x=1.4x-0.4
4⅓x+2+⅔x=1x+2
5 9a-6a+9-6=3a+3
6 5x-8-7x+4=-2x-4