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artcher [175]
4 years ago
14

Simplify: 19x – y – 2z + x + 5y + 2z

Mathematics
1 answer:
umka21 [38]4 years ago
4 0
Add <span>19x</span> and x to get <span>20x</span>.<span><span><span><span><span>20x</span><span>−y</span></span><span><span>−2</span>z</span></span>+<span>5y</span></span>+<span>2z</span></span>Add <span>−y</span> and <span>5y</span> to get <span>4y</span>.<span><span><span><span>20x</span>+<span>4y</span></span><span><span>−2</span>z</span></span>+<span>2z</span></span>Add <span><span>−2</span>z</span> and <span>2z</span> to get 0.<span><span><span>20x</span>+<span>4y</span></span>+0</span>Add <span>20x</span> and 0 to get <span>20x</span>.<span><span>20x</span>+<span>4<span>y
</span></span></span>




hope i helped best of luck :)
<span><span><span /></span></span>
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Someone help me with 12 I don’t understand stand this question someone please help me with work shown
allochka39001 [22]
2x+8+ 120= 180
Combine like terms so 8+120=128

2x+8+ 120= 180
2x+128=180
-128=-128 ( to both side)
2x= 52 You divide now
2x/2= 52/2
x= 26
There is your answer :)
5 0
3 years ago
22 POINTS
Harlamova29_29 [7]

Answer:

C. 2, -2, -6

Step-by-step explanation:

18, 14, 10, 6, ?

18 - 4 = 14

14 - 4 = 10

10 - 4 = 6

6 - 4 = 2

2 - 4 = -2

-2 - 4 = -6

They are subtracting each number by 4 to get the next one that continues.

Hope this helped!

Have a supercalifraglisticexpialidocious day!

7 0
3 years ago
Read 2 more answers
Look at the figure shown below:
boyakko [2]

These are the steps, with their explanations and conclusions:


1) Draw two triangles: ΔRSP and ΔQSP.


2) Since PS is perpendicular to the segment RQ, ∠ RSP and ∠ QSP are equal to 90° (congruent).


3) Since S is the midpoint of the segment RQ, the two segments RS and SQ are congruent.


4) The segment SP is common to both ΔRSP and Δ QSP.


5) You have shown that the two triangles have two pair of equal sides and their angles included also equal, which is the postulate SAS: triangles are congruent if any pair of corresponding sides and their included angles are equal in both triangles.


Then, now you conclude that, since the two triangles are congruent, every pair of corresponding sides are congruent, and so the segments RP and PQ are congruent, which means that the distance from P to R is the same distance from P to Q, i.e. P is equidistant from points R and Q


6 0
3 years ago
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Parallelogram or not ?
Zielflug [23.3K]

Answer:

I think so

Step-by-step explanation:

here's here's the definition of a parallelogram

"a four-sided plane rectilinear figure with opposite sides parallel."

3 0
3 years ago
Solve the equation: - 9 + x = 17
atroni [7]

Answer:

x = 26

Step-by-step explanation:

Start with - 9 + x = 17,   or   -9 + x = 17

Solve for x by isolating x on the left side.  To do this, add 9 to both sides, obtaining x = 26

7 0
3 years ago
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