Question

Need some more help on Math.
1. 5+4(n+9)=-3 what is N?
2. 5(k-2)-8k=-34 what is K?
3. 2=11+3(m+3) what is M?
4. -2(p-5)+7p=-5 what is P?
5. 4a-2a(a+9)=6 what is A?
6. 7-4(d-3)=23 what is D?
7. 8x-11(x-2)=-8 what is X?

Answer 1

give me 5 minutes

Answer 2

Let's solve each equation:

5
+
4
(
�
+
9
)
=
−
3
5+4(n+9)=−3

Distribute the 4:
5
+
4
�
+
36
=
−
3
5+4n+36=−3

Combine like terms:
4
�
+
41
=
−
3
4n+41=−3

Subtract 41 from both sides:
4
�
=
−
44
4n=−44

Divide by 4:
�
=
−
11
n=−11

5
(
�
−
2
)
−
8
�
=
−
34
5(k−2)−8k=−34

Distribute the 5:
5
�
−
10
−
8
�
=
−
34
5k−10−8k=−34

Combine like terms:
−
3
�
−
10
=
−
34
−3k−10=−34

Add 10 to both sides:
−
3
�
=
−
24
−3k=−24

Divide by -3:
�
=
8
k=8

2
=
11
+
3
(
�
+
3
)
2=11+3(m+3)

Distribute the 3:
2
=
11
+
3
�
+
9
2=11+3m+9

Combine like terms:
2
=
20
+
3
�
2=20+3m

Subtract 20 from both sides:
3
�
=
−
18
3m=−18

Divide by 3:
�
=
−
6
m=−6

−
2
(
�
−
5
)
+
7
�
=
−
5
−2(p−5)+7p=−5

Distribute the -2:
−
2
�
+
10
+
7
�
=
−
5
−2p+10+7p=−5

Combine like terms:
5
�
+
10
=
−
5
5p+10=−5

Subtract 10 from both sides:
5
�
=
−
15
5p=−15

Divide by 5:
�
=
−
3
p=−3

4
�
−
2
�
(
�
+
9
)
=
6
4a−2a(a+9)=6

Distribute the -2a:
4
�
−
2
�
2
−
18
�
=
6
4a−2a
2
−18a=6

Combine like terms:
−
2
�
2
−
14
�
=
6
−2a
2
−14a=6

Subtract 6 from both sides:
−
2
�
2
−
14
�
−
6
=
0
−2a
2
−14a−6=0

This is a quadratic equation. You can solve for
�
a using the quadratic formula.

7
−
4
(
�
−
3
)
=
23
7−4(d−3)=23

Distribute the -4:
7
−
4
�
+
12
=
23
7−4d+12=23

Combine like terms:
−
4
�
+
19
=
23
−4d+19=23

Subtract 19 from both sides:
−
4
�
=
4
−4d=4

Divide by -4:
�
=
−
1
d=−1

8
�
−
11
(
�
−
2
)
=
−
8
8x−11(x−2)=−8

Distribute the -11:
8
�
−
11
�
+
22
=
−
8
8x−11x+22=−8

Combine like terms:
−
3
�
+
22
=
−
8
−3x+22=−8

Subtract 22 from both sides:
−
3
�
=
−
30
−3x=−30

Divide by -3:
�
=
10
x=10

Answer 3

..

Answer 4

she looked that up

Answer 5

@jayisbetter why did you format it like that

Answer 6

1). N = -11
2). k= 8
3). m = -6
4). p = 5/9
5). A = 7+37/2
6). D = -1
7). x = 10

Answer 7

Copy and pasted..

Answer 8

You can tell, sorry x.x