ayuda porfavor le daré corazón a quien me ayude mas coronita
Respuestas a la pregunta
Respuesta:
b) 7x - 11 = 10
7x = 10 + 11
7x = 21
x = 21 ÷ 7
x = 3
Comprobación:
7(3) - 11 = 10
21 - 11 = 10
10 = 10
c) 3b + 4 = 19
3b = 19 - 4
3b = 15
b = 15 ÷ 3
b = 5
Comprobación:
3(5) + 4 = 19
15 + 4 = 19
19 = 19
d) 9y - 15 = 21
9y = 21 + 15
9y = 36
y = 36 ÷ 9
y = 4
Comprobación:
9(4) - 15 = 21
36 - 15 = 21
21 = 21
e) 2d + 14 = 30
2d = 30 - 14
2d = 16
d = 16 ÷ 2
d = 8
Comprobación:
2(8) + 14 = 30
16 + 14 = 30
30 = 30
f) 5h - 12 = 18
5h = 18 + 12
5h = 30
h = 30 ÷ 5
h = 6
Comprobación:
5(6) - 12 = 18
30 - 12 = 18
18 = 18
g) 6k - 17 = 37
6k = 37 + 17
6k = 54
k = 54 ÷ 6
k = 9
Comprobación:
6(9) - 17 = 37
54 - 17 = 37
37 = 37
h) 4h + 18 = 46
4h = 46 - 18
4h = 28
h = 28 ÷ 4
h = 7
Comprobación:
4(7) + 18 = 46
28 + 18 = 46
46 = 46
i) 8t + 42 = 58
8t = 58 - 42
8t = 16
t = 16 ÷ 8
t = 2
Comprobación:
8(2) + 42 = 58
16 + 42 = 58
58 = 58
j) 25f - 19 = 6
25f = 6 + 19
25f = 25
f = 25 ÷ 25
f = 1
Comprobación:
25(1) - 19 = 6
25 - 19 = 6
6 = 6
k) 10m + 13 = 43
10m = 43 - 13
10m = 30
m = 30 ÷ 10
m = 3
Comprobación:
10(3) + 13 = 43
30 + 13 = 43
43 = 43
l) 9n - 25 = 65
9n = 65 + 25
9n = 90
n = 90 ÷ 9
n = 10
Comprobación:
9(10) - 25 = 65
90 - 25 = 65
65 = 65