Answer:
4x+9=3q
Step-by-step explanation:
-3(2x-3)+10x=3q
-6x+9+10x=3q
4x+9=3q
Answer:

Explanation:
The given expression is:

Combine like terms

Simplify the resulting expression

Substitute x = 3 and y = -1 into the simplified expression
You have 9n and -7 in total so the answer is 9n-7. You add up all the numbers and then add up the numbers with n attached to them
Grace is right because what Emma said was not a factor of 16 and 12.