0.7乘(2x-3)=4.4
问题描述:
0.7乘(2x-3)=4.4
现在就要.
答
0.7×﹙2x-3﹚=4.4
1.4x-2.1=4.4
1.4x=4.4+2.1
1.4x=6.5
x=6.5÷1.4
x=65/14