Question
Solve the equation
a=−310
Alternative Form
a=−3.3˙
Evaluate
12−4a−24−8a=28
Subtract the terms
More Steps

Evaluate
12−4a−24−8a
Subtract the numbers
−12−4a−8a
Subtract the terms
More Steps

Evaluate
−4a−8a
Collect like terms by calculating the sum or difference of their coefficients
(−4−8)a
Subtract the numbers
−12a
−12−12a
−12−12a=28
Move the constant to the right-hand side and change its sign
−12a=28+12
Add the numbers
−12a=40
Change the signs on both sides of the equation
12a=−40
Divide both sides
1212a=12−40
Divide the numbers
a=12−40
Solution
More Steps

Evaluate
12−40
Cancel out the common factor 4
3−10
Use b−a=−ba=−ba to rewrite the fraction
−310
a=−310
Alternative Form
a=−3.3˙
Show Solution
