Question
Simplify the expression
2a+b
Evaluate
a−(−2b−a)
Use b−a=−ba=−ba to rewrite the fraction
a−(−2b−a)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
a+2b−a
Reduce fractions to a common denominator
2a×2+2b−a
Write all numerators above the common denominator
2a×2+b−a
Use the commutative property to reorder the terms
22a+b−a
Solution
More Steps

Evaluate
2a−a
Collect like terms by calculating the sum or difference of their coefficients
(2−1)a
Subtract the numbers
a
2a+b
Show Solution
