2⼀3【3⼀2(1⼀4X-1)-4又二分之一】=X+2

2024-12-23 04:38:40
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回答1:

2/3【3/2(1/4X-1)-4又二分之一】=X+2
2/3【3/2(1/4X-1)-9/2】=X+2
1/4x-1-3=x+2
1/4x-x=2+4
-3/4x=6
∴x=-8