5/12y+1.3=0.53+7/8y решите плиз

5/12y+1.3=0.53+7/8y 5/12у+13/10=53/100+7/8у5/12у-7/8у=53/100-13/10у (5/12-7/8)=-77/100у (10/24-21/24) = -77/100у * (- 11/24) = - 77/10011/24у = 77/100у = 77/100 / 11/24 = 77/100 * 24/11 = 7 / 100 * 24 = 168/100у = 1,68

5/12y+1.3=0.53+7/8y5/12y-7/8y=0,53-1,3-11/24y=-0,77y=-0,77:(-11/24)y=-77/100*(-24/11)y=42/25y=1 17/25