由题意,若1/2【x-1/2(x-1)】的值比式子3/4x的值小1
则有:(3/4)x- 1/2【x-1/2(x-1)】=1
即(3/4)x- 1/2(1/2x +1/2)】=1
两边同乘以4可得:
3x-(x+1)=4
即2x-1=4
2x=5
解得x=5/2
由题意,若1/2【x-1/2(x-1)】的值比式子3/4x的值小1
则有:(3/4)x- 1/2【x-1/2(x-1)】=1
即(3/4)x- 1/2(1/2x +1/2)】=1
两边同乘以4可得:
3x-(x+1)=4
即2x-1=4
2x=5
解得x=5/2