Question

Найдите корень уравнения
1)3.5-9а=2(0.5а-4)
2)3(2.4-1.1m)=2.7m+3.2

Answer 1

1)3,5-9a=a-8
-9a-a=-8-3.5
-10a=-28
a=2.8
2)3(2.4-1.1m)=2.7m+3.2
7.2-3.3m=2.7m+3.2
-3.3m-2.7m=3.2-7.2
-6m=-4
m=1.5