解方程:3⼀4[4⼀3(1⼀4X-1)+8]=7⼀3+2X⼀3

2024-12-17 05:32:32
推荐回答(3个)
回答1:

3/4[4/3(1/4X-1)+8]=7/3+2X/3
(1/4x-1)+3/4*8=7/3+2x/3
1/4x+5=7/3+2x/3
两边同时乘以12,得
3x+60=28+8x
3x-8x=28-60
-5x=-32
x=32/5

回答2:

3/4[4/3(1/4X-1)+8]=7/3+2X/3
(1/4X-1)+6=7/3+2X/3
1/4X-1+6=7/3+2X/3
1/4X+5=7/3+2X/3
3X+5*12=7*4+2X*4
3X+60=28+8X
8X-3X=60-28
5X=32
X=32/5

回答3:

x=32/5