Odpowiedź:
zadanie 1
a) -5x+10y
b) 4x+10
zadanie 2
a) 5-2+7x= 3+7x
b) 8+3a+10-2a=18+A
c) -2c-12+28-4b-12c= -14c-4b+16
1.
a) -5(x-2y)= -5x+10y
b) 1/2(8x+20)= 4x+10
2.
a) 5-(2-7x)=5-2+7x= 3+7x
b) 8+3a+2(5-a)=8+3a+10-2a= a+18
c) -2(c+6)+4(7-b-3c)=-2c-12+28-4b-12c= 16-14c-4b
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Odpowiedź:
zadanie 1
a) -5x+10y
b) 4x+10
zadanie 2
a) 5-2+7x= 3+7x
b) 8+3a+10-2a=18+A
c) -2c-12+28-4b-12c= -14c-4b+16
1.
a) -5(x-2y)= -5x+10y
b) 1/2(8x+20)= 4x+10
2.
a) 5-(2-7x)=5-2+7x= 3+7x
b) 8+3a+2(5-a)=8+3a+10-2a= a+18
c) -2(c+6)+4(7-b-3c)=-2c-12+28-4b-12c= 16-14c-4b