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barxatty [35]
3 years ago
8

The sum of a number and twice the same number is 15

Mathematics
1 answer:
lakkis [162]3 years ago
5 0
2x + x = 15
I'm not sure if that's what your asking but that's the equation used to find x.
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-2x-6=10<br> Solve it because I don’t get it
solniwko [45]

Answer:

X = -8

Step-by-step explanation:

4 0
3 years ago
Which ordered pair in the form (x, y) is a solution of this equation?
laiz [17]

Answer:

Substitute the x and y values from the ordered pairs into the equation, one by one, until both sides of the equation are equal.

Step-by-step explanation:

A. (-2,-3)

3 * (-2) - 4 * (-3) = 21

-6 + 12 = 21

6 = 21 <u>not equal</u>

B. (0,7)

3 * 0 - 4 * 7 = 21

0 - 28 = 21

- 28 = 21 <u>n</u><u>o</u><u>t</u><u> </u><u>e</u><u>q</u><u>u</u><u>a</u><u>l</u>

C. (7,0)

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21 - 0 = 21

21 = 21 <u>equal</u>

6 0
2 years ago
Can someone please help me with this question
aniked [119]
2/9 divided by 1/2.   invert the second fraction and multiply

2/9  *  2/1 = 4/9
6 0
3 years ago
What number makes a ratio equivalent to 7:15
nirvana33 [79]

Answer:

double those numbers:

14:30 is equivalent to 7:15

May I have brainliest please? :)

4 0
3 years ago
Mr. Lopez wrote the equation 32 g + 8 g minus 10 g = 150 on the board. Four students explained how to solve for g.
11111nata11111 [884]

Answer:

Willhem

Step-by-step explanation:

The given equation is

Step 1 : Add 32g and 8g.

Step 2: Subtract 10 from 40.

Step 3: Divide both sides by 30, find the value of g.

The value of g is 5.

Therefore, Wilhem is correct.

7 0
3 years ago
Read 2 more answers
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