Answer:
y<=5
Step-by-step explanation:
2-5y>=-23
subtract 2 from each side
-5y>=-25
divide both sides by -5
y<=5
Answer: 10u3 + 4u2 - 2u + 10
Step-by-step explanation:
( 4u3 + 4u2 + 2) + ( 6u3 - 2u + 8)
opening the bracket
4u3 + 4u2 + 2 + 6u3 - 2u + 8
collecting like terms
4u3 + 6u3 + 4u2 - 2u + 2 + 8
10u3 + 4u2 - 2u + 10