Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
3x−12y+2z
Evaluate
(3x−3y−z)−(9y−3z)
Remove the parentheses
3x−3y−z−(9y−3z)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
3x−3y−z−9y+3z
Subtract the terms
More Steps
Evaluate
−3y−9y
Collect like terms by calculating the sum or difference of their coefficients
(−3−9)y
Subtract the numbers
−12y
3x−12y−z+3z
Solution
More Steps
Evaluate
−z+3z
Collect like terms by calculating the sum or difference of their coefficients
(−1+3)z
Add the numbers
2z
3x−12y+2z
Show Solution
