3(x-9)
when you distribute the equation you get
3(x)-3(9) which is the last answer
x-2=7
apply additon property of equality
x-2+2=7+2
x=9
Answer:
25 degrees decreased by 60% is 10
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