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ss7ja [257]
3 years ago
9

What value of n makes the equation 2(n+1)=-3(n-8)+3 true

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
5 0
Do distributive property multiplying the outside number to the numbers inside the parentheses
2n+2=-3n+24+3
Now add like terms
2n=-3n+25
5n=25
n=5
LekaFEV [45]3 years ago
4 0
<h3>Solution:</h3>

2(n + 1) =  - 3(n - 8) + 3 \\  =  > 2n + 2 =  - 3n + 24 + 3 \\  =  > 2n + 3n = 24 + 3 - 2 \\  =  > 5n = 25 \\  =  > n =  \frac{25}{5}  \\  =  > n = 5

<h3>Answer:</h3>

5

<h3>Hope it helps.</h3>

ray4918 here to help

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Olin [163]

Good evening ,

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Answer:

f(4y) = -8y - 3.

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Step-by-step explanation:

f(x) = -2x-3 Then f(4y) = -2(4y) -3 = -8y - 3.

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3 years ago
How do I solve for -31 -8r = -3(5r -6)
Dennis_Churaev [7]
Our current equation is:
-8r -31 = -3(5r -6)
To solve for this, we need to get r on one side of the equation and then simplify if needed.
On the right side of the equation, we have a pending Distributive Property, which is when you multiply the number/variable outside of the parenthesis by all numbers/variables in the parenthesis.
Let's simplify this Distributive Property to help understand our equation better.
-3(5r -6)
Multiply -3 by each number/variable separately (unless they are already being multiplied, like 2x, 1/2x, etc).
-3(5r) + -3(-6).
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Your equation now is:
-8r -31 = -15r + 18
Add 15r to both sides to get r on one side.
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Divide both sides by 7.
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I hope this helps!
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