Explicación paso a paso:
2x+ 3 - 25= 40+ 9
2x- 22= 49
2x= 49+ 22
2x= 71
x = 71/ 2
x= 35.5
4x- 8= 24
4x= 24+ 8
4x= 32
x= 8
5x+12-2=40
5x+10= 40
5x= 40- 10
5x= 30
x= 6
8x+1=17
8x= 17-1
8x=16
x= 2
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Explicación paso a paso:
2x+ 3 - 25= 40+ 9
2x- 22= 49
2x= 49+ 22
2x= 71
x = 71/ 2
x= 35.5
4x- 8= 24
4x= 24+ 8
4x= 32
x= 8
5x+12-2=40
5x+10= 40
5x= 40- 10
5x= 30
x= 6
8x+1=17
8x= 17-1
8x=16
x= 2