Solve the value of x by using undoing, rewriting, looking inside strategies.
6r + 7 = 13 + 5r
Answer:
r = 6
Step-by-step explanation:
Given
6r + 7 = 13 + 5r ( subtract 5r from both sides )
r + 7 = 13 ( subtract 7 from both sides )
r = 6