Respuesta:
A) 9x-2x=22-8
7x=14
x=14/7
x=2
B)9x+3x=85+11
12x=96
x=96/12
x=8
C) 11x+5x=121-9
16x=112
x=112/16
x=7
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Respuesta:
A) 9x-2x=22-8
7x=14
x=14/7
x=2
B)9x+3x=85+11
12x=96
x=96/12
x=8
C) 11x+5x=121-9
16x=112
x=112/16
x=7