Try another version of this question Solve for `x`: `-2 x = 21-9 x` `x` = Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)Enter DNE for Does Not Exist, oo for Infinity 3
Try another version of this question
Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)Enter DNE for Does Not Exist, oo for Infinity