A)
7x-4x+2x=17+8
5x=25
25
____
5
5=X
C)
5(x+2)+2x=4x+31
5x+10+2x=4x+31
5x+2x-4x=31-10
3x=21
x=21/3
x=7
a) 7x-8+2x = 4x+17
7x+2x-4x = 17+8
5x = 25
x = 25/5
x = 5
b) 5.(x+2)+2x = 4x+31
5x+10+2x = 4x+31
5x+2x-4x = 31-10
3x = 21
x = 21/3
x= 7
Espero que te sirva, acepto propina ;)
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A)
7x-4x+2x=17+8
5x=25
25
____
5
5=X
C)
5(x+2)+2x=4x+31
5x+10+2x=4x+31
5x+2x-4x=31-10
3x=21
x=21/3
x=7
a) 7x-8+2x = 4x+17
7x+2x-4x = 17+8
5x = 25
x = 25/5
x = 5
b) 5.(x+2)+2x = 4x+31
5x+10+2x = 4x+31
5x+2x-4x = 31-10
3x = 21
x = 21/3
x= 7
Espero que te sirva, acepto propina ;)