# Math HW - Solve for the Variable

find the number that each variable respresents
2 5/12= (1 1/12 + a)

### Comments for Math HW - Solve for the Variable

 Feb 17, 2011 Math HW - Solve for the Variable by: Staff The question: find the number that each variable respresents 2 5/12= (1 1/12 + a) The answer: 2 5/12 = (1 1/12 + a) Remove the parentheses on the right side of the equation – they are not necessary. 2 5/12 = 1 1/12 + a Subtract 1 1/12 from each side of the equation. 2 5/12 - 1 1/12 = 1 1/12 - 1 1/12 + a 2 5/12 - 1 1/12 = 0 + a 2 5/12 - 1 1/12 = a 1 4/12 = a 1 1/3 = a The final answer is: a = 1 1/3 As a final step, check the work by substituting 1 1/3 for a in the original equation. The equation will balance (the left side will equal the right side) if the solution a = 1 1/3 is correct. 2 5/12 = 1 1/12 + a 2 5/12 = 1 1/12 + 1 1/3 2 5/12 = 1 1/12 + 1 4/12 2 5/12 = 2 5/12 Since 2 5/12 does = 2 5/12, the solution of a = 1 1/3 is correct. Thanks for writing. Staff www.solving-math-problems.com