4*(81-a)=92 b:27:48=26*2 (a-69)*8=96 ПОМАГИ ПЖ

Question

4*(81-a)=92

b:27:48=26*2

(a-69)*8=96


ПОМАГИ ПЖ

Answer 1

4*(81-a)=92
324-4а=92
-4а=92+324
-4а=414
а=414/(-4)=-103,5

b:27:48=26*2
b:27+48=52
b:27=52-48
b:27=4
b=4*27
b=108


(a-69)*8=96
8а-552=96
8а=96+552=648
а=648/8=81