221,956 views
16 votes
16 votes
Solve −2(−4n + 1)+5(25n − 8)=−62.



n= ?

User Knookie
by
3.3k points

2 Answers

23 votes
23 votes

Answer:

n = 0.15037593985

Explanation:

−2(−4n + 1)+5(25n − 8)=−62

8n-2+125n-40= -62

133n = -20

133/133 = 20/133

n = 0.15037593985

This equation might be screwed up; I'd talk to your teacher about it.

User Kanishk Panwar
by
2.7k points
21 votes
21 votes
n= -20/133

Step 1: Simplify both sides of the equation.

2
(

4
n
+
1
)
+
5
(
25
n

8
)
=

62
(

2
)
(

4
n
)
+
(

2
)
(
1
)
+
(
5
)
(
25
n
)
+
(
5
)
(

8
)
=

62
(Distribute)
8
n
+

2
+
125
n
+

40
=

62
(
8
n
+
125
n
)
+
(

2
+

40
)
=

62
(Combine Like Terms)
133
n
+

42
=

62
133
n

42
=

62
Step 2: Add 42 to both sides.
133
n

42
+
42
=

62
+
42
133
n
=

20
Step 3: Divide both sides by 133.
133
n
133
=

20
133
n
=

20
133
User Sejn
by
2.6k points
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