Respuesta:
A) 7x - 15 = 20
7x = 20 + 15
7x = 35
x =
x = 5
B) -5x - 8 = 12
-5x = 12 + 8
-5x = 20
x = - 4
C) 4x - 10 = 26
4x = 26 + 10
4x = 36
x = 9
D) -6x - 18 = 10
-6x = 10 + 18
-6x = 28
x = <---- Se ha simplificado: 28 ÷ 2 = 14 y 6 ÷ 2 = 3
Explicación paso a paso: ESPERO QUE TE SIRVA <33
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Respuesta:
A) 7x - 15 = 20
7x = 20 + 15
7x = 35
x =
x = 5
B) -5x - 8 = 12
-5x = 12 + 8
-5x = 20
x =
x = - 4
C) 4x - 10 = 26
4x = 26 + 10
4x = 36
x =
x = 9
D) -6x - 18 = 10
-6x = 10 + 18
-6x = 28
x =
x = <---- Se ha simplificado: 28 ÷ 2 = 14 y 6 ÷ 2 = 3
Explicación paso a paso: ESPERO QUE TE SIRVA <33