Respuesta:
1) x = 5
2) y = 6, 67 redondeado al centésimo
3) s = 5
4) t = 6
5) t = 14
6) y = 3
7) x = 2
8) s = 5
9) n = 5
10) x = 2
Explicación paso a paso:
1) 2x + 8 = 18
2x = 18 - 8
2x = 10
x = 5
2) 3y - 7 = 13
3y = 13 + 7
3y = 20
y = 6,67 aprox
3) 4s - 12 = 8
4s = 8 + 12
4s = 20
s = 5
4) 5t - 20 = 10
5t = 10 + 20
5t = 30
t = 6
5) 8t + 17 = 129
8t = 129 - 17
8t = 112
t = 14
6) 2y + 7 = 13
2y = 13 - 7
2y = 6
y = 3
7) 2x + 12 = 16
2x = 16 - 12
2x = 4
x = 2
8) 8s - 40 = 0
8s = 40
9) 4n + 20 = 40
4n = 40 - 20
4n = 20
n = 5
10) 3x - 6 = 0
3x = 6
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Verified answer
Respuesta:
1) x = 5
2) y = 6, 67 redondeado al centésimo
3) s = 5
4) t = 6
5) t = 14
6) y = 3
7) x = 2
8) s = 5
9) n = 5
10) x = 2
Explicación paso a paso:
1) 2x + 8 = 18
2x = 18 - 8
2x = 10
x = 5
2) 3y - 7 = 13
3y = 13 + 7
3y = 20
y = 6,67 aprox
3) 4s - 12 = 8
4s = 8 + 12
4s = 20
s = 5
4) 5t - 20 = 10
5t = 10 + 20
5t = 30
t = 6
5) 8t + 17 = 129
8t = 129 - 17
8t = 112
t = 14
6) 2y + 7 = 13
2y = 13 - 7
2y = 6
y = 3
7) 2x + 12 = 16
2x = 16 - 12
2x = 4
x = 2
8) 8s - 40 = 0
8s = 40
s = 5
9) 4n + 20 = 40
4n = 40 - 20
4n = 20
n = 5
10) 3x - 6 = 0
3x = 6
x = 2