Odpowiedź:
5
a) 2x-3+4x-5 = 6x-8
b) 4m+2-m-7 = 3m-5
c) 8-3z+2+5z = 2z+10
d) -1+t-3t+6 = -2t+5
6
a) 8x+7+2x-6y-2y = 10x-8y+7
b) 9-4a+6b+7a-6-a = 2a+6b+3
c) 1-p+4-5p-2r+6p+r = -r+5
d) 4xy-2x-3y+8x-xy-2x = 4x-3y+3xy
Szczegółowe wyjaśnienie:
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Odpowiedź:
5
a) 2x-3+4x-5 = 6x-8
b) 4m+2-m-7 = 3m-5
c) 8-3z+2+5z = 2z+10
d) -1+t-3t+6 = -2t+5
6
a) 8x+7+2x-6y-2y = 10x-8y+7
b) 9-4a+6b+7a-6-a = 2a+6b+3
c) 1-p+4-5p-2r+6p+r = -r+5
d) 4xy-2x-3y+8x-xy-2x = 4x-3y+3xy
Szczegółowe wyjaśnienie: