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lions [1.4K]
3 years ago
14

5x - (8x -17) = -10

Mathematics
2 answers:
mihalych1998 [28]3 years ago
5 0

Answer:

x=9

Step-by-step explanation:

isolate the variable by dividing each side by factors that dont contain the variables.

can i get the crown?

Tomtit [17]3 years ago
3 0

Answer:

x = 9

Step-by-step explanation:

5x - (8x -17) = -10

Rewrite the equation and take away the brackets:

5x - 8x + 17 = -10

5x - 8x = -10 - 17

5x - 8x = -27

-3x = -27

x = -27 ÷ -3

x = 9

I hope this helps!

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The scale factor of S to T is 4:1
solong [7]

Answer:

Scale Factor - Finding Sides. L1S1. 3) Scale factor of S to T is 4 : 1. ; x = y = 4) Scale factor of G to H is 1 : 7. ; x = y = 20 yd. 10 yd. S. T.

Step-by-step explanation:

<em> A scale factor in math is the ratio between corresponding measurements of an object and a representation of that object. If the scale factor is a whole number, the copy will be larger. If the scale factor is a fraction, the copy will be smaller.</em>

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2 years ago
Find the sum or difference. Round your answer appropriately. 6.8 L + 5 L
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If 55% of the students in a school are boys and number of girls is 900. Find the number of boys.
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Step-by-step explanation:


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7 0
2 years ago
4.5x+ 7/9 x+2 1/3 + 1/6 x=5 1/18<br> What is the answer?? How would you solve it?? Please help!!
Travka [436]
18 is the least common denominator of all the fractions, so you can eliminate fractions by multiplying the equation by 18.

(4.5*18)x +((7/9)*18)x + (2 1/3)*18 + ((1/6)*18)x = (5 1/18)*18
81x +14x +42 +3x = 91 . . . . . simplify

Collect terms.
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The solution is x = 1/2.

_____
You can also do the arithmetic with mixed numbers and fractions. The usual methods apply.
  (4.5 + 7/9 + 1/6)x + 2 1/3 = 5 1/18
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  (49/9)x = 49/18 . . . . . . . subtract 7/3
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This can be a little more tedious than the method above, but it works and it will give you the right answer. A calculator that works with fractions can make this solution as easy as the other one.
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