mdbar321
mdbar321
14-09-2017
Mathematics
contestada
Solve 2x - 9 - 7x = 11. A. -4 B. -1/4 C.2/5 D. 4
Respuesta :
janetvr23
janetvr23
14-09-2017
2x-9-7x=11
-5x-9=11
-5x=11+9
-5x=20
x=20/-5
x=-4
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