Algebra
Calculus
Trigonometry
Matrix
Question
Solve the equation
x=3
Evaluate
−4(4x−2)=−40
Change the sign
4(4x−2)=40
Divide both sides
44(4x−2)=440
Divide the numbers
4x−2=440
Divide the numbers
More Steps
Evaluate
440
Reduce the numbers
110
Calculate
10
4x−2=10
Move the constant to the right side
4x=10+2
Add the numbers
4x=12
Divide both sides
44x=412
Divide the numbers
x=412
Solution
More Steps
Evaluate
412
Reduce the numbers
13
Calculate
3
x=3
Show Solution
Rewrite the equation
x=3
Evaluate
−4(4x−2)=−40
Multiply
More Steps
Evaluate
−4(4x−2)
Apply the distributive property
−4×4x−(−4×2)
Multiply the numbers
−16x−(−4×2)
Multiply the numbers
−16x−(−8)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−16x+8
−16x+8=−40
Move the constant to the right side
−16x=−48
Multiply both sides
16x=48
Solution
x=3
Show Solution
Graph
