m=-4
you are subtracting all the numbers by 4 therefore they are all changing by -4
Step-by-step explanation:
13x+7y-2x+6a
combine like terms
=13x-2x+7y+6a
=11x+7y+6a
simplified
Answer:
The helicopter
brainliest plz
Answer: The answer is 21
3x+7+5=12
3x=12
x=4
hope this helped
