Alina has just received 333 video games for her birthday to add to her existing 121212 video games. a week later she went to the thrift store and doubled her video games. another week later she bought 555 more games. write a numerical expression with parentheses for the total number of video games alina has now. do not simplify your expression.

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality