Nos pide calculo mental, entonces solo pon las respuestas
⭐Explicación paso a paso:
a) 6x - 4 = 8
6x = 8 + 4
x = 12/6
x = 2
b) 2a + 5 = 25
2a = 25 - 5
2a = 20
a = 20/2
a = 10
c. -3y - 9 = -15
15 - 9 = 3y
6 = 3y
6/3 = y
2 = y
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Verified answer
Nos pide calculo mental, entonces solo pon las respuestas
⭐Explicación paso a paso:
a) 6x - 4 = 8
6x = 8 + 4
x = 12/6
x = 2
b) 2a + 5 = 25
2a = 25 - 5
2a = 20
a = 20/2
a = 10
c. -3y - 9 = -15
15 - 9 = 3y
6 = 3y
6/3 = y
2 = y