Try another version of this question Solve the following equation for `r` `21(r + 1)-1=5(4 r+2)+1` `r` = Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172Enter DNE for Does Not Exist, oo for Infinity -9
Try another version of this question
Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172Enter DNE for Does Not Exist, oo for Infinity