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Nostrana [21]
2 years ago
9

Determine whether 3x + 12 + x is equivalent to

Mathematics
1 answer:
Inessa05 [86]2 years ago
3 0

Answer:

No , both are not equivalent

Hope it's helpful to you

You might be interested in
I am trying to solve for x
padilas [110]
Here how i found my answer.

5 0
3 years ago
Which expression is equal to<br> to (-10 – 2i) + (3 + i)?<br> 0 -7 ti<br> o – 13 –<br> 07-<br> -7-
solong [7]

Answer:

- 7 - i

Step-by-step explanation:

Given

(- 10 - 2i) + (3 + i) ← remove parenthesis

= - 10 - 2i + 3 + i ← collect like terms

= - 7 - i

3 0
3 years ago
Please help me with this question
ehidna [41]
1 pound = 16 ounces

20 pounds = 320 ounces

320 ounces + 7 ounces = 327 ounces
4 0
3 years ago
Points P(5, 7) and Q(-1, 1) lie on the graph of y = x + 2.
Arisa [49]

Answer:

R is not collinear.

S is collinear.

Step-by-step explanation:

The equation of the graph is given by y =x +2 ........ (1).

Now, the points P and Q having coordinates (5,7) and (-1,1) respectively lie on the graph of the equation (1) because those points satisfy the equation.

Now, if we consider another point R having coordinates (1,-1), then it does not lie on the graph of equation (1) as it does not satisfy the equation.{If you put x=1, then y will be 3 but not -1}

Therefore, P, Q, R are not collinear. (Answer)

Again if we consider the point S(-3,-1), it satisfies equation (1).{If you put x=-3 in the equation (1), y will be -1}.

Therefore, P, Q, and S lie on the same straight line. and they are collinear. (Answer)

6 0
3 years ago
3. 11x-7y=-14. X-2y=-4
pshichka [43]
11x -7y= -14 (1)
x -2y= -4 (2)

Multiply (2) by 11, we have:
11x -22y= -44 (3)

Take (1)-(3), we have:
(11x-11x)+ (-7y-(-22y))= -14-(-44)
⇒ -7y+22y= -14+44
⇒ 15y= 30
⇒ y= 30/15
⇒ y= 2

x= -4+ 2y= -4+ 2*2= 0

The final answer is x=0, y=2~
4 0
3 years ago
Read 2 more answers
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