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RoseWind [281]
2 years ago
14

8.4 x -7.2 y which algebra expression is equivalent to the following expression

Mathematics
1 answer:
bekas [8.4K]2 years ago
5 0

Answer:

This cannot be answered without more information.

Step-by-step explanation:

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Which matrix represents the system of equations shown below?<br> 4x - 2y = 8<br> 2x-3y = 12
Serjik [45]

Answer:

4x-2y=8

or, 4x = 8+2y

or x = 8+2y/4-----(eq.1)

2x-3y=12-----(eq.2)

Now,

putting value of eq.1 in eq.2, we get

2x-3y=12

or, (8+2y/4)-3y = 12

or, 8-10y/4=12

or, 8-10y=12×4

or,8-10y=48

or,-10y=48-8

or,y=40/-10

or, y = -4

again,

2x-3y=12

or, 2x-3×-4=12

or, 2x+12=12

or, x=0

In 1st option

4x-2y=8

or,4×0-2×-4=8

or,0+8=8

8=8

2x-3y=12

2×0-3×-4=12

0+12=12

12=12

So 1st option is true

3 0
3 years ago
-6-5(4+3n)=-7(n+2)-6n
Romashka-Z-Leto [24]

Answer:

n=-6

Step-by-step explanation:

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=3q%2B2p%2B7" id="TexFormula1" title="3q+2p+7" alt="3q+2p+7" align="absmiddle" class="latex-for
kirza4 [7]

Answer:

that seem pretty hard but i think ik it

6 0
3 years ago
20. (06.07 )
Scrat [10]
20 is the best answer
4 0
3 years ago
Determine the intercepts of the line. -5x+9y=-18
Stolb23 [73]

Answer:

x-intercept = (18/5,0)

y-intercept = (0,-2)

Step-by-step explanation:

I graphed it and found the intercepts

brainliest would be great

8 0
2 years ago
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