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artcher [175]
2 years ago
7

2-7x-3x=-8x-8 Explain Thanks

Mathematics
2 answers:
gavmur [86]2 years ago
7 0

Answer:

x =5

step-by-step explanation:

combine the like terms:

2 -7x -3x = -8x -8

= 2 -10x = -8x -8

= -10x +2 = -8x -8

= -10x +2 -2 = -8x -8 -2

= -10x = -8x -10

= -10x +8x = -8x -10 +8x

= -2x = -10

= -2x/-2 = -10/-2

simplify

x = 5

Agata [3.3K]2 years ago
4 0

2-7x-3x=-8x-8\\\\-7x-3x+8x=-8-2\\\\-2x=-10 \ \ /:(-2)\\\\\huge\boxed{x=5}

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Find thee consecutive even integers such that the sum of twice the smallest number and three times the largest is 42
tekilochka [14]

Answer:

7,8,9

Step-by-step explanation:

The closest you can get to 42 with that equation and it has to use consecutive intergers is 41 and these numbers get you there.

4 0
2 years ago
Michelle deposited $1,385 into a savings account with a simple interest rate of 2.89% per year. If Michelle does not touch the f
aniked [119]

Answer:

$1,665.19

Step-by-step explanation:

Interest=PRT/100 where P is the principal amount deposited by Michelle, R is the rate offered per year in terms of percentage, T is the period in years

Substituting P for $1385, T for 7 years, R for 2.89% we obtain interest as follows

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Rounding off to 2 decimal places

Balance=$1665.19

Therefore, Michelle's balance is $1,665.19

4 0
2 years ago
Can someone please help me with 5 and 6(Best answer = Brainliest)
Alex_Xolod [135]
5. 
First plug the value of x into the equation
 2(-2y-12)+y=9
then solve for y
2(-2y)+2(-12)+y=9 \\ -4y+(-24)+y=9 \\ -4y-24+y=9 \\ -3y-24=9 \\ -3y=33 \\ \frac{-3y}{-3}= \frac{33}{-3} \\ y = -11

6. Do the same steps 
5(-y-1)+y=-13 \\ 5(-y)+5(-1)+y=13 \\ -5y+(-5)+y=13 \\ -5y-5+y=13 \\ -4y-5=13 \\ -4y=18 \\ \frac{-4y}{-4}= \frac{18}{-4} \\ y=-4.5 

8 0
3 years ago
given statement: if a shape is a rohmbus, then the diagonals are perpendicular. a square is a rohmbus. what is a logical conclus
harkovskaia [24]

Answer:

The diagonals of a square are perpendicular.

Step-by-step explanation:

6 0
1 year ago
Correct answers only please!
Masteriza [31]

Answer:

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I = P × R × t

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2 years ago
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