整理得:4t=15+3t-10.54t=4.5+3t移项,得:4t-3t=4.5合并同类项:t=4.5。所以,t为4.5。
解:4t=15+3(t-3.5)4t=15+3t-10.54t-3t=15-10.5t=4.5