Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
11+x
Evaluate
28−(10−x)−x−(7−x)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
28−10+x−x−(7−x)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
28−10+x−x−7+x
Subtract the numbers
11+x−x+x
Solution
More Steps
Evaluate
x−x+x
Collect like terms by calculating the sum or difference of their coefficients
(1−1+1)x
Calculate the sum or difference
x
11+x
Show Solution
Find the roots
x=−11
Evaluate
28−(10−x)−x−(7−x)
To find the roots of the expression,set the expression equal to 0
28−(10−x)−x−(7−x)=0
Subtract the terms
More Steps
Simplify
28−(10−x)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
28−10+x
Subtract the numbers
18+x
18+x−x−(7−x)=0
Calculate the sum or difference
More Steps
Simplify
18+x−x
The sum of two opposites equals 0
More Steps
Evaluate
x−x
Collect like terms
(1−1)x
Add the coefficients
0×x
Calculate
0
18+0
Remove 0
18
18−(7−x)=0
Subtract the terms
More Steps
Simplify
18−(7−x)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
18−7+x
Subtract the numbers
11+x
11+x=0
Move the constant to the right-hand side and change its sign
x=0−11
Solution
x=−11
Show Solution