Question

помогите найти корень уравнения, 7y-112-y+14=2y+53

Answer 1

7y-1/12 - y+1/4 =2y+5/3
НОК (12,4,2)=12
(7y-1)*12 -(y+1)*12 = (2y+5) *12
____ ___ _____
12 4 3

7y-1-3y+1=4(2y+5)
7y-1-3y+1=8y+20
7y-3y-8y=1-1+20
7y-3y-8y=20+4
-4y=24
y=24:(-4)
y=-6

Answer 2

7y-1-3y+1=4(2y+5)
7y-1-3y+1=8y+20
7y-3y-8y=1-1+20
7y-3y-8y=20+4
-4y=24
y=24:(-4)
y=-6