Question

Решите уравнение ;
в) c/7-3c-1/14=2
г) 2-q/5-q/20=1/4

Answer 1

с(1/7-3)=2+1/14
-20/7с=29/14
с=29/14:(-20/7)
с= -29/14*7/20
с=-29/40

q(1/5+1/20)=2-1/4
5/20q=7/4
1/4q=7/4
q=7/4:1/4
q=4