Don't want any answers, just how to solve, step by step. : )

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Given: jk ||lm prove: _2 = 27 statement justification 1. jk ||lm 1. given 2.26 = 27 3.22 = 26 2. 3. 4. _2 = 27 4. corresponding angles theorem transitive property of equality vertical angles theorem substitution property of equality

Find the measure of vu. enter the answer as a number.