Respuesta:
Explicación paso a paso:
25-10+[tex]\frac{b}{8}[/tex]=18-5 [tex]\frac{ 25-10+b}{8}[/tex]=18-5
15+[tex]\frac{b}{8}[/tex]=13 o 25-10+b=13x8
b/8=-2 15 +b = 104
b= -1/4 b= 89
B). 5.(-4x-6)=-12x-20+22
-20x -30=-12x +2
-32=+8x
-4=x
C).9x+8=37x+14
-6= 28x
-3/14=x
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Respuesta:
Explicación paso a paso:
25-10+[tex]\frac{b}{8}[/tex]=18-5 [tex]\frac{ 25-10+b}{8}[/tex]=18-5
15+[tex]\frac{b}{8}[/tex]=13 o 25-10+b=13x8
b/8=-2 15 +b = 104
b= -1/4 b= 89
B). 5.(-4x-6)=-12x-20+22
-20x -30=-12x +2
-32=+8x
-4=x
C).9x+8=37x+14
-6= 28x
-3/14=x