Respuesta:
yes sure :D
Explicación paso a paso:
3x = 21 - 15
3x = 6
x = 2
12x - 7x = 19 + 6
5x = 25
x = 5
4x = 7 · 8
4x = 56
x = 14
3x + 30 = 5x - 10
3x + 5x = 30 + 10
2x = 40
x = 20
espero que te ayude:))(
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Respuesta:
yes sure :D
Explicación paso a paso:
a) 3x + 15 = 21
3x = 21 - 15
3x = 6
x = 2
b) 12x - 6 = 7x + 19
12x - 7x = 19 + 6
5x = 25
x = 5
c) 4x/7 = 8
4x = 7 · 8
4x = 56
x = 14
d) 3(x + 10) = 5(x - 2)
3x + 30 = 5x - 10
3x + 5x = 30 + 10
2x = 40
x = 20
Corona porfa
Respuesta:
espero que te ayude:))(