Explicación paso a paso:
A. 5x=15
x= 3
B. 8x=72
x= 9
C. 4x=28
x= 7
D. 6x-4x=25-11
2x=14
x=7
E. 13x-5x=9-1
8x=8
x= 1
F. x/7=55
x= 385
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Verified answer
Explicación paso a paso:
A. 5x=15
x= 3
B. 8x=72
x= 9
C. 4x=28
x= 7
D. 6x-4x=25-11
2x=14
x=7
E. 13x-5x=9-1
8x=8
x= 1
F. x/7=55
x= 385