0.6X-5=1/2X怎么解?
问题描述:
0.6X-5=1/2X怎么解?
答
0.6x - 5 = 1/2x
0.6x - 5 = 0.5x
0.6x - 0.5x = 5
0.1x = 5
x = 5÷0.1
x = 50