Здравствуйте помогите решить уравнения 1.2(x-5)=0.2x+6 1.3(t-0,6)=1.8t 6(4x-7)-3(5-8x)=0
1.2(x-5)=0.2x+6 1.2x-6=0.2x+6 1.2x-0.2x=6+6 x=12 1.3(t-0.6)=1.8t 1.3t-0.78=1.8t 1.3t-1.8t=-0.78 -0.5t=-0.78 t=-0.78:(-0.5) t=1.56 6(4x-7)-3(5-8x)=0 24x-42-15+24x=0 24x+24x=42+15 48x=57 x=57:48 x=1.19