4(2x-7)-3.8=1.2x+0.56
问题描述:
4(2x-7)-3.8=1.2x+0.56
答
X=4.75882
答
8x-28-3.8=1.2x+0.56
6.8x-32.36=0
x=32.36/6.8=4.758823529
答
8x-28-3.8=1.2x+0.56
8x-31.8=1.2x+0.56
6.8x=32.36
x=170分之809(809除以170)
答
4(2x-7)-3.8=1.2x+0.56
8x-28=1.2x+0.56+3.8
8x-1.2x=4.36+28
6.8x=32.36
x=32.36÷6.8
x=32.36/6.8
x=1618/340
x=809/170