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erik [133]
3 years ago
14

I need help understanding a solution

Mathematics
2 answers:
ryzh [129]3 years ago
8 0

Answer:

What they mean is if you substitute the value given for x into the equation given, is the math statement true.

Step-by-step explanation:

1) Is x = -3 a solution to 6x + 4 = -12?

6(-3) + 4 = -18 + 4 = - 14, so no, for number 1, x = -3 is not a solution to 6x + 4 = -12

Make sense?

LMK if you need me to run the rest of them with you.

ch4aika [34]3 years ago
8 0

Answer:

1. No equals -14

2. No equals 14

3. No equals -25

4. Yes

5. Yes

6. No equals 1

7. No equals -29

8. Yes

9. Yes

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i think its ASA

Step-by-step explanation:

5 0
3 years ago
If (f+g)(x)=3^2+2x-1 and g(x)=2x-2 what is f(x)
Aneli [31]
I Think The Answer is -5, sorry if it is wrong.
6 0
3 years ago
How do i solve this problem
Alekssandra [29.7K]

factor 9 out of the equation

18x^6 / 27x^4 becomes

2x^6 / 3x^4

cancel out common factors to get

2x^2/3

7 0
3 years ago
10 cups of flour for every 8 table spoons of honey how many cups of flour do i need for 13 tablespoons of honey
mojhsa [17]

Answer:

16.25 cups of flour for 13 tablespoons of honey

Step-by-step explanation:

10 Cups of Flour = 8 tablespoons of honey

? Cups of Flour = 13 tablespoons of honey

This equation could also be written as:

10/8 = x/13

10/8 • 13 = x/13 • 13

16.25 = x

5 0
3 years ago
Solve the equations below. With explanations please.
Sophie [7]

Answer:

Step-by-step explanation:

y=-2x-4

y=5x+5

------------

-2x-4=5x+5

-2x-5x-4=5

-7x-4=5

-7x=5+4

-7x=9

x=9/-7

x=-9/7

y=5(-9/7)+5

y=-45/7+35/7

y=-10/7

Answer: x=-9/7, y=-10/7. (-9/7, -10/7).

----------------------------------------------------

-3x+y=8

2y=6x-10

----------------

6x-2y=10

-3x+y=8

-------------

y=8-(-3x)=8+3x

6x-2(8+3x)=10

6x-16-6x=10

-16=10

no solution

Answer: No Solution

--------------------------------

2y=4(x+3)

y-2x=6

--------------

y=4x+12

y=2x+6

--------------

4x+12=2x+6

4x-2x+12=6

2x+12=6

2x=6-12

2x=-6

x=-6/2

x=-3

y=2(-3)+6=-6+6=0

Answer: x=-3, y=0. (-3, 0).

-------------------------------------

x+2y=4

4x-2y=16

---------------

5x=20

x=20/5

x=4

4+2y=4

2y=4-4

2y=0

y=0/2

y=0

Answer: x=4, y=0. (4, 0).

4 0
3 years ago
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