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kompoz [17]
3 years ago
9

URGENT !!!!!!!!!What is the value of x when the expression 3x + 6 equal the expression -15 + 6x WHat does x=__? BEST ANSWER FOR

BRAINLYEST
Mathematics
2 answers:
barxatty [35]3 years ago
8 0

Answer: x= 2

Step-by-step explanation:

hope this helped :)

Mekhanik [1.2K]3 years ago
3 0

Answer:

x=7

Step-by-step explanation:

well there's a simple way to do this, you out each side by side like so and solve:

3x+6=-15+6x

then you move like terms to the other side (like terms have the same variables). So we'll add 15 to both sides to balance the equation out because you cant remove a number from one side without affecting the other so:

3x+21=6x

then because we don't want an equation equal to 0 we move 3x to the other side by substracting 3x from both sides:

21=3x

now we divide by 3 both sides and because 21 divided by 3 is 7:

x=7

hope it helped (^u^)

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A suit originally costing $240 is on sale for 25% off the original price. Sales tax is 7.5%. What is the final cost of the suit?
Finger [1]
$193.50

start by multiplying 240 by .25 (25%) to find out how much is 25% of 240. this equals 60.
then, subtract $60 from $240. equals 180.
next, to add the sales tax, multiply 180 by 0.075 (7.5%) this is $13.50.
lastly, add the tax, which is $13.50, to the suit's sale price, which is $180.
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Step-by-step explanation:

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Invest $6,300 in two different accounts the first account paid 11% the second account paid 6% in interest at the end of the year
MAVERICK [17]

Answer: he invested $5300 at 11% and $1000 at 6%

Step-by-step explanation:

Let x represent the amount which he invested in the first account paying 11% interest.

Let y represent the amount which he invested in the second account paying 6% interest.

He Invest $6,300 in two different accounts the first account paid 11% the second account paid 6% in interest. This means that

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The formula for determining simple interest is expressed as

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Considering the first account paying 11% interest,

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I = (x × 11 × 1)/100 = 0.11x

Considering the second account paying 6% interest,

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Substituting x = 6300 - y into equation 1, it becomes

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7 0
3 years ago
Solve for -2<-3-3x<0
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-3 from all ends to get 1<-3x<3 then divide by -3 on all ends to get -1/3>x>-1 you flip the sign because of the negative,


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