Explicación paso a paso:
Solución !
a)
[tex]x + 10 = 29[/tex]
[tex]x = 29 - 10[/tex]
[tex]x = 19[/tex]
B)
[tex]x - 8 = 36[/tex]
[tex]x = 36 + 8[/tex]
[tex]x = 44[/tex]
C)
[tex]x - 5 = 7 - x[/tex]
[tex]x + x = 7 + 5[/tex]
[tex]2x = 12[/tex]
[tex]x = \frac{12}{2} [/tex]
[tex]x = 6[/tex]
D)
[tex]12x = 48[/tex]
[tex]x = \frac{48}{12} [/tex]
[tex]x = 4[/tex]
E)
[tex]14x = - 56[/tex]
[tex]x = - \frac{56 }{14} [/tex]
[tex]x = - 4[/tex]
F)
[tex] \frac{x}{4} = 3[/tex]
[tex]x = 3 \times 4[/tex]
[tex]x = 12[/tex]
G)
[tex]6x - 13 = 23[/tex]
[tex]6x = 23 + 13[/tex]
[tex]6x = 36[/tex]
[tex]x = \frac{36}{6} [/tex]
Atte ° David saludos
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Explicación paso a paso:
TEMA → Ecuaciónes de primer grado !
Solución !
a)
[tex]x + 10 = 29[/tex]
[tex]x = 29 - 10[/tex]
[tex]x = 19[/tex]
B)
[tex]x - 8 = 36[/tex]
[tex]x = 36 + 8[/tex]
[tex]x = 44[/tex]
C)
[tex]x - 5 = 7 - x[/tex]
[tex]x + x = 7 + 5[/tex]
[tex]2x = 12[/tex]
[tex]x = \frac{12}{2} [/tex]
[tex]x = 6[/tex]
D)
[tex]12x = 48[/tex]
[tex]x = \frac{48}{12} [/tex]
[tex]x = 4[/tex]
E)
[tex]14x = - 56[/tex]
[tex]x = - \frac{56 }{14} [/tex]
[tex]x = - 4[/tex]
F)
[tex] \frac{x}{4} = 3[/tex]
[tex]x = 3 \times 4[/tex]
[tex]x = 12[/tex]
G)
[tex]6x - 13 = 23[/tex]
[tex]6x = 23 + 13[/tex]
[tex]6x = 36[/tex]
[tex]x = \frac{36}{6} [/tex]
[tex]x = 6[/tex]
Atte ° David saludos