POR FAVOR ES URGENTE
Resuelve las siguientes ecuaciones de 1er grado: a) 3X + 7 – X = X + 25 b) 40 + 8X – 2 = -2X – 16 + 9X c) - 7X + 10 – 30 = - 10X + 4 d) 4X + 3X – 54 = 102 + X e) 6X + 9 – 3X = 4X + 18 f) 32 + 5X – 6X = 11 - 10X g) 2(X + 4) = 5(X + 9) h) 4(X + 6) = 3(7 + X) i) 6(X + 7) = 3(X – 6) j) 6(5 + 2X) = 3(X – 9) + 10 k) 12X + 3 = 4(X – 7) l) 2(7 + 9X) – 5 = 3(X – 11) + 5 51.
Respuestas a la pregunta
a) 3X + 7 – X = X + 25
3X - X - X = 25-7
X = 18
b) 40 + 8X – 2 = -2X – 16 + 9X
8X +2X -9X = -16-40+2
X= -54
c) - 7X + 10 – 30 = - 10X + 4
-7X +10X = 4-10+30
3X = 24
X=24/3
X=8
d) 4X + 3X – 54 = 102 + X
4X +3X -X = 102+54
6X = 156
X= 156/6
X= 26
e) 6X + 9 – 3X = 4X + 18
6X -3X -4X = 18-9
- X = 9
X= -9
f) 32 + 5X – 6X = 11 - 10X
5X -6X +10X = 11-32
9X = -21
X=-21/9
g) 2(X + 4) = 5(X + 9)
2X+8 = 5 X + 45
2X -5X = 45-8
-3X = 37
X=-37/3
h) 4(X + 6) = 3(7 + X)
4 X +24 = 21+ 3X
4X -3 X= 21-24
X = -3
i) 6(X + 7) = 3(X – 6)
6X +42 = 3 X - 18
6 X -3 X= -18-42
3X = -60
X=-60/3
X= -20
j) 6(5 + 2X) = 3(X – 9) + 10
30+ 12 X = 3 X - 27 + 10
12 X -3X = -27+10-30
9X= -47
X=-47/9
k) 12X + 3 = 4(X – 7)
12 X +3 = 4 X-28
12X -4X = -28-3
8X = -31
X=-31/8
l) 2(7 + 9X) – 5 = 3(X – 11) + 5 51
14+ 18X - 5 = 3X -33 + 551
18X -3X = -33+551-14+5
15X = 509
X= 509/15
Respuesta:
a) 3X + 7 – X = X + 25
3X - X - X = 25-7
X = 18
b) 40 + 8X – 2 = -2X – 16 + 9X
8X +2X -9X = -16-40+2
X= -54
c) - 7X + 10 – 30 = - 10X + 4
-7X +10X = 4-10+30
3X = 24
X=24/3
X=8
d) 4X + 3X – 54 = 102 + X
4X +3X -X = 102+54
6X = 156
X= 156/6
X= 26
e) 6X + 9 – 3X = 4X + 18
6X -3X -4X = 18-9
- X = 9
X= -9
f) 32 + 5X – 6X = 11 - 10X
5X -6X +10X = 11-32
9X = -21
X=-21/9
g) 2(X + 4) = 5(X + 9)
2X+8 = 5 X + 45
2X -5X = 45-8
-3X = 37
X=-37/3
h) 4(X + 6) = 3(7 + X)
4 X +24 = 21+ 3X
4X -3 X= 21-24
X = -3
i) 6(X + 7) = 3(X – 6)
6X +42 = 3 X - 18
6 X -3 X= -18-42
3X = -60
X=-60/3
X= -20
j) 6(5 + 2X) = 3(X – 9) + 10
30+ 12 X = 3 X - 27 + 10
12 X -3X = -27+10-30
9X= -47
X=-47/9
k) 12X + 3 = 4(X – 7)
12 X +3 = 4 X-28
12X -4X = -28-3
8X = -31
X=-31/8
i) 2(7 + 9X) – 5 = 3(X – 11) + 5 51
14+ 18X - 5 = 3X -33 + 551
18X -3X = -33+551-14+5
15X = 509
X= 509/15
uwu