Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
−7a−8b
Evaluate
(a−15b+11c)+(−8a+7b−11c)
Remove the parentheses
a−15b+11c+(−8a+7b−11c)
Remove the parentheses
a−15b+11c−8a+7b−11c
Subtract the terms
More Steps
Evaluate
a−8a
Collect like terms by calculating the sum or difference of their coefficients
(1−8)a
Subtract the numbers
−7a
−7a−15b+11c+7b−11c
Add the terms
More Steps
Evaluate
−15b+7b
Collect like terms by calculating the sum or difference of their coefficients
(−15+7)b
Add the numbers
−8b
−7a−8b+11c−11c
The sum of two opposites equals 0
More Steps
Evaluate
11c−11c
Collect like terms
(11−11)c
Add the coefficients
0×c
Calculate
0
−7a−8b+0
Solution
−7a−8b
Show Solution
