For this case we must simplify the following expression:
We solve the operation of the second parenthesis, taking into account that different signs are subtracted and the sign of the major is placed:
We multiply:
We eliminate the parentheses:
We add similar terms, taking into account that equal signs are added and the same sign is placed:
Answer:
The simplified expression is:
Answer:
-5 + 3 = -2
Step-by-step explanation:
I don't really understand what you're trying to ask here...
Given :-
... ( 2x + 3y - 4z ) - ( x - y - z )
... 2x + 3y - 4z - x + y + z
... x + 4y - 3z is the answer.
Hope it helps!
Answer:
36
Step-by-step explanation:
3(15.9 - 3.9)
3 · (15.9 - 3.9)
3(15.9) - 3(3.9)
47.7 - 3(3.9)
47.7 - 11.7
36