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denpristay [2]
3 years ago
9

5x + 7 = 2x - 8 can anyone say how to solve please ​

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
4 0

Answer:

x = - 5

Step-by-step explanation:

Given

5x + 7 = 2x - 8 ( subtract 2x from both sides )

3x + 7 = - 8 ( subtract 7 from both sides )

3x = - 15 ( divide both sides by 3 )

x = - 5

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The second term of an arithmetic sequence is -39. The rule a, = a -1 + 12 can be used to find the next term of the
siniylev [52]

Step-by-step explanation:

the first one is the correct one

a, = -51+12(n-1)

a(2) = -51+12(2-1)=-39

I hope this helps

Im sure from the answer

but I couldnt explain it exactly

4 0
3 years ago
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Simplify: <br><br>3 (2x + 6) + 5x​
forsale [732]
The answer to this is 11x + 18
4 0
3 years ago
PLEASE HURRY I ONLY HAVE 12 MINUTES I NEED THIS ANSWER ASAP
8_murik_8 [283]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Which expression is equivalent to 1 4 ( 3 x + 4 y ) + 3 ( 1 4 x + 2 3 y ) ? 3 2 x + 3 y 3 halves x plus 3 y 3 2 x + 2 y 3 halves
Nat2105 [25]

Answer:

3x/2 + 3y

Step-by-step explanation:

Given the expression 1/4 ( 3x + 4y ) + 3 ( 1/4 x + 2/3 y)

Open the parentheses

= 1/4(3x) + 1/4(4y) + 3(1/4x) +3(2/3y)

= 3/4 x + y + 3/4 x +2y

Collect like terms

3/4 x +3/4 x +y+2y

6/4 x + 3y

3x/2 + 3y

Hence the correct expression is 3x/2 + 3y

8 0
3 years ago
6w-4z+2y+8x=52<br> 2y-4w-6x-2z=-28<br> 6z+2x-4w+4y=36<br> 4x+4y-2w-2z=20<br> solve for z
Nadusha1986 [10]

Answer:

Step-by-step explanation:

1)w=−4/3x+−1/3y+2/3z+26/3

2)w=−3/2x+1/2y+−1/2z+7

3)w=1/2x+y+3/2z−9

4)w=2x+2y−z−10

Hope this helps, mark me as brainlist pls

5 0
4 years ago
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