質問: How do you solve #-4x+7=11#? ============================
回答: #### Answer: #x=-1# #### Explanation: #-4x+7=11# #=> -4x=11-7# #=> -4x=4# #=> x=4/(-4)# #=> x=-4/4# #=> x=-cancel4^1/cancel4# #=> x=-1#