1)-4,2 · (-6) y) = 25,2 у
2) 8m +5,0=13m-p
8m-13m-p
8m-13m = -p-5
-5m=-p-5
m=1/5p+1
3)12 - (17-12) +(-12+30) = 12-5+18=25
4) −6 (4+a) +8 (a-6) = -24-6a+8a-48= -72+2a
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Answers & Comments
1)-4,2 · (-6) y) = 25,2 у
2) 8m +5,0=13m-p
8m-13m-p
8m-13m = -p-5
-5m=-p-5
m=1/5p+1
3)12 - (17-12) +(-12+30) = 12-5+18=25
4) −6 (4+a) +8 (a-6) = -24-6a+8a-48= -72+2a