What is the value of 2a-3b+6 when a=2 and b=-5? Algebra Expressions, Equations, and Functions Variable Expressions 1 Answer seol Nov 19, 2016 answer is 25 Explanation: 2\color(red)(a)-3\color(blue)(b)+6 when \color(red)(a=2) and \color(blue)(b=-5) 2(\color(red)(2))-3(\color(blue)(-5))+6 =4-(-15)+6 =19+6 =25 Answer link Related questions How do you write the variable expression for: a quotient of 2 and the sum of a number and 3 ? What are variables? What are variable expressions? How do you write variable expressions? How do you evaluate variable expressions? How do you simplify the expression 3x-x+4? How do you write a quotient of a number and 6 as an expression? How do you evaluate the expression 2x+1 for x=1? How do you write a product of a number and 2 as an expression? How do you write 5 less than 2 times a number as a variable expression? See all questions in Variable Expressions Impact of this question 2395 views around the world You can reuse this answer Creative Commons License