Question
Simplify the expression
Solution
−8x−9
Evaluate
(−7x−14)−(x−5)
Remove the parentheses
−7x−14−(x−5)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−7x−14−x+5
Subtract the terms
More Steps
Evaluate
−7x−x
Collect like terms by calculating the sum or difference of their coefficients
(−7−1)x
Subtract the numbers
−8x
−8x−14+5
Solution
−8x−9
Show Solution
Find the roots
Find the roots of the algebra expression
x=−89
Alternative Form
x=−1.125
Evaluate
(−7x−14)−(x−5)
To find the roots of the expression,set the expression equal to 0
(−7x−14)−(x−5)=0
Remove the parentheses
−7x−14−(x−5)=0
Subtract the terms
More Steps
Simplify
−7x−14−(x−5)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−7x−14−x+5
Subtract the terms
More Steps
Evaluate
−7x−x
Collect like terms by calculating the sum or difference of their coefficients
(−7−1)x
Subtract the numbers
−8x
−8x−14+5
Add the numbers
−8x−9
−8x−9=0
Move the constant to the right-hand side and change its sign
−8x=0+9
Removing 0 doesn't change the value,so remove it from the expression
−8x=9
Change the signs on both sides of the equation
8x=−9
Divide both sides
88x=8−9
Divide the numbers
x=8−9
Solution
x=−89
Alternative Form
x=−1.125
Show Solution