5.4(X-6)-4.5X=52.2怎么解
问题描述:
5.4(X-6)-4.5X=52.2怎么解
答
5.4(X-6)-4.5X=52.2
5.4X-32.4-4.5X=52.2
5.4X-4.5X=52.2+32.4
0.9X=84.6
X=84.6÷0.9
X=94