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vitfil [10]
2 years ago
8

Solve 7 ( x + 1 ) + 2 = 5x + 15

Mathematics
1 answer:
yawa3891 [41]2 years ago
5 0

Answer:

x = 3

Step-by-step explanation:

7(x + 1) + 2 = 5x + 15

~Simplify left side

7x + 7 + 2 = 5x + 15

~Combine like terms

7x + 9 = 5x + 15

~Subtract 9 to both sides

7x = 5x + 6

~Subtract 5x to both sides

2x = 6

~Divide 2 to both sides

x = 3

Best of Luck!

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BabaBlast [244]

ANSWER

The explicit formula is :

a_n = 8+ 3(n - 1)

EXPLANATION

The given sequence is

8,11,14,17,20,23,26,...

The first term is

a_1=8

The common difference is

d=11-8

d=3

The explicit formula is given by:

a_n = a_1 + d(n - 1)

We substitute the values to get,

a_n = 8+ 3(n - 1)

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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