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Masteriza [31]
2 years ago
10

Help on this question…

Mathematics
1 answer:
STatiana [176]2 years ago
7 0

Answer:

n = -13

Step-by-step explanation:

1. Distribute 12n + 10 = 12n - 3

2. Subtract 10 from both sides of the equation

3.  Simplify Subtract the numbers Subtract the numbers 12n = 12n - 13

4. subtract 12n from both sides of the equation

5.  Combine like terms combine like terms 0 = - 13

6.  Result: n = - 13

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Solve the system of equations by graphing: 2x + 3y = 2 6x + 18y = 9
cluponka [151]
The answer is  A: x=1/2 , y= 1/3

Solve the following system:
{2 x + 3 y = 2 | (equation 1)
{6 x + 18 y = 9 | (equation 2)

Swap equation 1 with equation 2:
{6 x + 18 y = 9 | (equation 1)
{2 x + 3 y = 2 | (equation 2)

Subtract 1/3 × (equation 1) from equation 2:
{6 x + 18 y = 9 | (equation 1)
{0 x - 3 y = -1 | (equation 2)

Divide equation 1 by 3:
{2 x + 6 y = 3 | (equation 1)
{0 x - 3 y = -1 | (equation 2)

Multiply equation 2 by -1:
{2 x + 6 y = 3 | (equation 1)
{0 x+3 y = 1 | (equation 2)

Divide equation 2 by 3:
{2 x + 6 y = 3 | (equation 1)
{0 x+y = 1/3 | (equation 2)

Subtract 6 × (equation 2) from equation 1:
{2 x+0 y = 1 | (equation 1)
v0 x+y = 1/3 | (equation 2)

Divide equation 1 by 2:
{x+0 y = 1/2 | (equation 1)
v0 x+y = 1/3 | (equation 2)

Collect results:
Answer:  {x = 1/2, y = 1/3

7 0
2 years ago
1) a + b + a +b=
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vovikov84 [41]

Answer:

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Step-by-step explanation:

14+12=26

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7 0
3 years ago
Read 2 more answers
What is -5g + ( -17fg ) =
Anika [276]

Hello from MrBillDoesMath!

Answer:

-g (5 + 17f)    



Discussion:

The terms only have the factor "g" in common so


-5g + ( -17fg) =                       => factor "g" from each term

g ( -5 - 17f) =

-g (5 + 17f)    

is as much as it can be factored.


Thank you,

MrB

7 0
3 years ago
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Zolol [24]

Answer:

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Step-by-step explanation:

x-7>-12

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x-7+7>-12+7

x> -5

8 0
3 years ago
Read 2 more answers
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