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Minchanka [31]
3 years ago
9

What is the answer to this problem -8(8+n)-6(7n-3)=54

Mathematics
2 answers:
dusya [7]3 years ago
7 0

Answer:

The answer is n=-2

steposvetlana [31]3 years ago
4 0

Answer:

n = -2

Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 ((0-(8•(n+8)))-6•(7n-3))-54  = 0

Step  2  :

Equation at the end of step  2  :

 ((0-8•(n+8))-6•(7n-3))-54  = 0

Step  3  :

Step  4  :

Pulling out like terms :

4.1     Pull out like factors :

  -50n - 100  =   -50 • (n + 2)

Equation at the end of step  4  :

 -50 • (n + 2)  = 0

Step  5  :

Equations which are never true :

5.1      Solve :    -50   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

5.2      Solve  :    n+2 = 0

Subtract  2  from both sides of the equation :

                     n = -2

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If c(x) = 4x-2 and d(x) = x^2 + 5x is is (c•d) (x)
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<h3>Answer: (c * d)(x) = 4x^3 + 18x^2 - 10x</h3>

Work Shown:

I'm assuming the dot means multiplication. If so, then,

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