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PtichkaEL [24]
2 years ago
7

3n+7−2 i need help on this i just don't get it and this is combining like terms

Mathematics
2 answers:
Alona [7]2 years ago
7 0

Answer:

3n + 5

Step-by-step explanation:

3n + 7 - 2

3n is a variable.

7 and 2 are numbers.

Variables can be added with variables.

If variables are added with numbers, it remains constant ( and vice - versa ),

That is.

3n + 7 = 3n + 7

When the value of n is given, then the result of " 3n + 7 " will be a number.

In this question, the value of n is not given.

Numbers can be added or subtracted with numbers. The result will be a number.

7 - 2 = 5

So,

the answer is 3n + 5

inessss [21]2 years ago
6 0

Answer:

3n+5

Step-by-step explanation:

Like terms are the terms that can be added together, in this example, 7 and -2. There aren't any other like terms so if you add them together, the answer would be 3n+5.

Please mark me as Brainliest if possible :)

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Multiply
2
2
by
5
5
.
x
5
+
10
x
4
+
10
x
3
⋅
2
2
+
10
x
2
⋅
2
3
+
5
x
⋅
2
4
+
2
5
x
5
+
10
x
4
+
10
x
3
⋅
2
2
+
10
x
2
⋅
2
3
+
5
x
⋅
2
4
+
2
5
Raise
2
2
to the power of
2
2
.
x
5
+
10
x
4
+
10
x
3
⋅
4
+
10
x
2
⋅
2
3
+
5
x
⋅
2
4
+
2
5
x
5
+
10
x
4
+
10
x
3
⋅
4
+
10
x
2
⋅
2
3
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5
x
⋅
2
4
+
2
5
Multiply
4
4
by
10
10
.
x
5
+
10
x
4
+
40
x
3
+
10
x
2
⋅
2
3
+
5
x
⋅
2
4
+
2
5
x
5
+
10
x
4
+
40
x
3
+
10
x
2
⋅
2
3
+
5
x
⋅
2
4
+
2
5
Raise
2
2
to the power of
3
3
.
x
5
+
10
x
4
+
40
x
3
+
10
x
2
⋅
8
+
5
x
⋅
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4
+
2
5
x
5
+
10
x
4
+
40
x
3
+
10
x
2
⋅
8
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5
x
⋅
2
4
+
2
5
Multiply
8
8
by
10
10
.
x
5
+
10
x
4
+
40
x
3
+
80
x
2
+
5
x
⋅
2
4
+
2
5
x
5
+
10
x
4
+
40
x
3
+
80
x
2
+
5
x
⋅
2
4
+
2
5
Raise
2
2
to the power of
4
4
.
x
5
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10
x
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40
x
3
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2
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5
x
⋅
16
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2
5
x
5
+
10
x
4
+
40
x
3
+
80
x
2
+
5
x
⋅
16
+
2
5
Multiply
16
16
by
5
5
.
x
5
+
10
x
4
+
40
x
3
+
80
x
2
+
80
x
+
2
5
x
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+
10
x
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Raise
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