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a ) 5x+ 3y - 3x - 2 y , gdy x = 1 y = 2
2x + y
2*1 + 1 * 2 = 2 + 2 =4
b ) 7z + 4c - z - 3c , gdy z = ²₇ , c = ¹₅
6z + c
6* 2/7 + 1/5 = 12/7 + 1/5 = 60/35 + 7/35 = 67/35 = 1 i 32/35
a ) 5x+ 3y - 3x - 2 y ,
gdy x = 1 y = 2
5*1+3*2-3*1-2*2=5+6-3-4=4
b ) 7z + 4c - z - 3c , gdy z = ²₇ , c = ¹₅
6z+c=6*2/7+1/5=12/7+1/5=67/35=1 32/35