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algol13
3 years ago
10

Given the equation 7x-6=5(x+4) solve for variable and explain each step and justify your process

Mathematics
2 answers:
LekaFEV [45]3 years ago
4 0
7x-6=5(x+4)

7x-6=5x+20
-5x -5x

2x-6=20
+6 +6

2x=26
/2 /2


X=13
nlexa [21]3 years ago
4 0
Solve for x so we get the problem 7x-6=5(x+4) first parentheses solve 5(x=4) turns into 7x-6=5x+20 we need x on one side only 7x is greater so will add 6 to the -6 and do the same to the other side to get the new problem 7x=5x+26 the positive 6 gets rid of the 6 on the 7x side and adds 6 to 20 to make 26. last we get rid of 5x so subtract it from both sides and you get 2x=26 x has to be by its self so last thing to do is divide 2x by itself and 2x divided by 26 for the final problem (x=13 answer)
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What makes this bond correct <br> 3/4+__=2<br> WHATS THE ANSWER
VladimirAG [237]

Answer:

The answer is 5/6.

Step-by-step explanation:

Lets start with a=1.

a+1=2, which is the denominator. (1/2)

Taking the same number as numerator, now, consider a=2.

a+1=3, denominator.(2/3)

Now, let a=3.

a+1==4, denominator for a=3. (3/4)

If continued a becomes equal to 4.

a+1=5, which is also the denominator. (4/5)

Now, since the denominator is 5, let a=5.

a+1=6, which will become the denominator. (5/6)

Thus the series follows a pattern of a/a+1.

4 0
3 years ago
Read 2 more answers
A summer camp is organizing a hike and needs to buy granola bars for the campers. The granola bars come in small boxes and large
Irina18 [472]

Answer:

The Answer is: There are 8 small boxes and 9 large boxes. See explanation below for variables and variable definitions.

Step-by-step explanation:

Let s = small boxes. Let b = large boxes.

s + b = 17

You can solve for s:

s = 17 - b

You can solve for b:

b = 17 - s

10 times the number of small boxes plus 24 times the number of large boxes is equal to 296 granola bars.

10s + 24b = 296

Substitute:

10(17 - b) + 24b = 296

170 - 10b + 24b = 296

14b = 296 - 170

14b =  126

b = 126 / 14 = 9 large boxes

Find the number of small boxes, s:

s = 17 - b = 17 - 9 = 8 small boxes

There are 8 small boxes and 9 large boxes.

Proof:

10(8) + 24(9) = 296

80 + 216 = 296

296 = 296

4 0
3 years ago
I need help i dont understand this
Ad libitum [116K]

The answer is B)x+y=y+x.

This is just changing the order of the numbers to get the same equation....\

So for example if I have 2+7 and I use the property of addition It would give me 2+7=7+2.

Pls mark brainliest if this helped!

7 0
3 years ago
2. Tom makes $50 a day, 5 days a week. If his rent every four weeks was $500, what is
Hunter-Best [27]
His overall net profit would be $500 dollars because every two weeks he makes $500 so over 4 weeks he would make $1000, but lose $500 to rent.
3 0
3 years ago
Read 2 more answers
At what point does a line with a slope of 34 and a y-intercept of -5 intersect a line with a slope of −14 and a y-intercept of 3
maw [93]
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4 0
3 years ago
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