Question
Solve the equation
x=−8
Evaluate
7x−28=9x+2x+4
Add the terms
More Steps

Evaluate
9x+2x
Collect like terms by calculating the sum or difference of their coefficients
(9+2)x
Add the numbers
11x
7x−28=11x+4
Move the expression to the left side
7x−28−11x=4
Move the expression to the right side
7x−11x=4+28
Add and subtract
More Steps

Evaluate
7x−11x
Collect like terms by calculating the sum or difference of their coefficients
(7−11)x
Subtract the numbers
−4x
−4x=4+28
Add and subtract
−4x=32
Change the signs on both sides of the equation
4x=−32
Divide both sides
44x=4−32
Divide the numbers
x=4−32
Solution
More Steps

Evaluate
4−32
Reduce the numbers
1−8
Calculate
−8
x=−8
Show Solution

Rewrite the equation
x=−8
Evaluate
7x−28=9x+2x+4
Evaluate
More Steps

Evaluate
9x+2x+4
Add the terms
More Steps

Evaluate
9x+2x
Collect like terms by calculating the sum or difference of their coefficients
(9+2)x
Add the numbers
11x
11x+4
7x−28=11x+4
Move the variable to the left side
−4x−28=4
Move the constant to the right side
−4x=32
Multiply both sides
4x=−32
Solution
x=−8
Show Solution
