4(6t-4(10t+3)+20)=-76t+82
4(6t-40t-12+20)=-76t+82
4(-34t+8)=-76t+82
-136t+32=-76t+82
-136t+76t=82-32
-60t=50
t=
ответ:
4(6t-4(10t+3)+20)=-76t+82
4(6t-40t-12+20)=-76t+82
4(-34t+8)=-76t+82
-136t+32=-76t+82
-136t+76t=82-32
-60t=50
t=![-\frac{5}{6}](/tpl/images/1130/5919/cf9c2.png)
ответ:![-\frac{5}{6}](/tpl/images/1130/5919/cf9c2.png)