Respuesta:
f)
-3x = 8+x
-3x - x = 8
-4x = 8
x = 8/ -4
x = -2
g)
9x+5=-4
9x = -4 -5
9x = -9
x = -9/9
x = -1
h)
3x+8= -7-2x
3x+2x = -7-8
5x = -15
x = -15/5
x = -3
i)
-x+1 = -4x+10
-x+4x = 10 - 1
3x = 9
x = 9/3
x = 3
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Respuesta:
f)
-3x = 8+x
-3x - x = 8
-4x = 8
x = 8/ -4
x = -2
g)
9x+5=-4
9x = -4 -5
9x = -9
x = -9/9
x = -1
h)
3x+8= -7-2x
3x+2x = -7-8
5x = -15
x = -15/5
x = -3
i)
-x+1 = -4x+10
-x+4x = 10 - 1
3x = 9
x = 9/3
x = 3