4(x+5)=18*3 0.5(x-12)=1 10+4(x-1.5)=16 7x+18=5x+34 2x-1=5x-7 5x/13=2x+16 5-3x=1+2x x-1=5x-7

如题所述

4(x+5)=18*3
4x+20=54
4x=34
x=8.5

0.5(x-12)=1
0.5x-6=1
0.5x=7
x=14

10+4(x-1.5)=16
10+4x-6=16
4x=12
x=3

7x+18=5x+34
2x=16
x=8

2x-1=5x-7
3x=6
x=2

5x/13=2x+16
5x=26x+208
21x=-208
x=208/21

5-3x=1+2x
5x=4
x=4/5

x-1=5x-7
4x=6
x=1.5
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