Question

Solve the equation. Check your solution. 21 = 4x - 9 - x

Equations and inequalities
ANSWERED
asked 2020-12-17
Solve the equation. Check your solution. 21 = 4x - 9 - x

Answers (1)

2020-12-18
Given equation:
21=4x-9-x
21=3x-9
add 9 to both sides of the equation to isolate the variable term:
21+9=3x-9+9
3x=30
divide both sides by 3
\((3x)/(3)=(30)/(3)\)
x=10
0
 
Best answer

expert advice

Have a similar question?
We can deal with it in 3 hours
...