If a + 7b + 4c = 2. what is 36c + 9a + 63b? Algebra Expressions, Equations, and Functions Variable Expressions 1 Answer GiĆ³ Nov 24, 2016 I got #18# Explanation: #36c+9a+63b=# collecting #9#: #=9*(4c+a+7b)# so it is #4# times the given #a+7b+4c# which in the definition is equal to #2#; so: #=9*(4c+a+7b)=9*2=18# 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 2381 views around the world You can reuse this answer Creative Commons License