Answer:
combine like terms.
Step-by-step explanation:
none of the other answers seem correct.
Answer:
one=12 sencond=1
Step-by-step explanation:
x=12
then,y=3
after that
first NUM,=12
second NUM=1
Answer:
-3
Step-by-step explanation:
To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest. Subtract an integer by adding its opposite.
-From Khan Academy-
