a) 2x+5+4x=17 |-5
6x=12 |:6
x=2
b) 6+5x-3x=-2 |-6
2x= -8 |:2
x= -4
c) 14-5x+10x=4 |-14
5x= -10 |:5
x= -2
d) 2x+5+x=8 |-5
3x= 3 |:3
x=1
e) 4x-10-2x=20 |+10
2x=30 |:2
x=15
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a) 2x+5+4x=17 |-5
6x=12 |:6
x=2
b) 6+5x-3x=-2 |-6
2x= -8 |:2
x= -4
c) 14-5x+10x=4 |-14
5x= -10 |:5
x= -2
d) 2x+5+x=8 |-5
3x= 3 |:3
x=1
e) 4x-10-2x=20 |+10
2x=30 |:2
x=15