5s + 1 = 3s - 4
5s - 3s = - 4 - 1
2s = - 5
s = -5/2
Comprobación
5(-5/2) + 1 = 3(-5/2) - 4
-25/2 + 1 = -15/2 - 4
-23/2 = -23/2
7f-3=9f+5
7f - 9f = 5 + 3
-2f = 8
f = 8/-2
f= -4
7(-4) - 3 = 9(-4) + 5
-28 - 3 = -36 + 5
31 = 31
3r+7=2r-4
3r - 2r = - 4 - 7
r = -11
3(-11) + 7 = 2(-11) - 4
-33 + 7 = -22 - 4
-26 = -26
5x-9=3x+6
5x - 3x = 6 + 9
2x = 15
x = 15/2
5(15/2) - 9 = 3 (15/2) + 6
75/2 - 9 = 45/2 + 6
57/2 = 57/2
2p-5=3p+4
2p - 3p = 4 + 5
-p = 9 (-1)
p = -9
2(-9) - 5 = 3(-9) + 4
-18 - 5 = -27 + 4
- 23 = -23
x-8=2x-11
x - 2x = -11 + 8
-x = -3 (-1)
x = 3
3 - 8 = 2(3) - 11
-5 = 6 -11
-5 = -5
...SaLuDoS...
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5s + 1 = 3s - 4
5s - 3s = - 4 - 1
2s = - 5
s = -5/2
Comprobación
5s + 1 = 3s - 4
5(-5/2) + 1 = 3(-5/2) - 4
-25/2 + 1 = -15/2 - 4
-23/2 = -23/2
7f-3=9f+5
7f - 9f = 5 + 3
-2f = 8
f = 8/-2
f= -4
Comprobación
7f-3=9f+5
7(-4) - 3 = 9(-4) + 5
-28 - 3 = -36 + 5
31 = 31
3r+7=2r-4
3r - 2r = - 4 - 7
r = -11
Comprobación
3r+7=2r-4
3(-11) + 7 = 2(-11) - 4
-33 + 7 = -22 - 4
-26 = -26
5x-9=3x+6
5x - 3x = 6 + 9
2x = 15
x = 15/2
Comprobación
5x-9=3x+6
5(15/2) - 9 = 3 (15/2) + 6
75/2 - 9 = 45/2 + 6
57/2 = 57/2
2p-5=3p+4
2p - 3p = 4 + 5
-p = 9 (-1)
p = -9
Comprobación
2p-5=3p+4
2(-9) - 5 = 3(-9) + 4
-18 - 5 = -27 + 4
- 23 = -23
x-8=2x-11
x - 2x = -11 + 8
-x = -3 (-1)
x = 3
Comprobación
x-8=2x-11
3 - 8 = 2(3) - 11
-5 = 6 -11
-5 = -5
...SaLuDoS...