Explicación:
9x-3x=-11-7
6x=-18
X= - 3
9x+7=3x-11
x=-18/6
x=-3
Verificación
9×(-3)+7=3×(-3)-11
-27+7=-9-11
-20= -20
Me das coronita plis :D
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Explicación:
9x-3x=-11-7
6x=-18
X= - 3
Verified answer
Explicación:
9x+7=3x-11
9x-3x=-11-7
6x=-18
x=-18/6
x=-3
Verificación
9×(-3)+7=3×(-3)-11
-27+7=-9-11
-20= -20
Me das coronita plis :D