A building worth $834.000 is depreciated for tax purposes by its owner using the straight line depreciation method. The value of the building, y, after x months of use, is given by y 834,000 - 2600x dollars. After how many years will the value of the building be $646,800?

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