6x+4x+5x= 3b+8b= 8z-15z= 2a+5a-3a= 17x-9x= 6x-2x+1,5X= 3b+2b-5b= 4y-9-(-3y)= 5t-7t+(-2,5t)= prosze ze wszystkimi obliczeniami
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6x+4x+5x=15x
3b+8b= 11b
8z-15z=-7z
2a+5a-3a= 4a
17x-9x=8x
6x-2x+1,5x=9,5x
3b+2b-5b= 0b
4y-9-(-3y)=-8y
5t-7t+(-2,5t)= -4,5t
myślę że pomogłem liczę na naj