Please see the attached question for a better understanding. A consumer has a preference over good 1 and good 2 represented by the utility function

Please see the attached question for a better understanding. 

A consumer has a preference over good 1 and good 2 represented by the utility function u(x1, x2) = x1 + x2, given the prices of good 1 and 2 are p1 and p2 respectively, and the consumer has a income of m, derive the consumer’s demands for good 1 and 2 separately.