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MrRissso [65]
3 years ago
5

Solve:

Mathematics
2 answers:
ZanzabumX [31]3 years ago
5 0

Answer:

distribute,

Step-by-step explanation:

8+12+1 3/5x=-12

20+1 3/5x=-12

1 3/5x=8

x=5

gulaghasi [49]3 years ago
3 0

Answer:

x = -20

Step-by-step explanation:

1st Subtract 8 from both sides: 84/5(15+2x)-8=-12-8

2nd Simplify: 4/5(15+2x)=-20

3rd Multiply both sides by 5: 5×4/5(15+2x)=5(-20)

4th Simplify: 4(15+2x)=-100

5th Divide both sides by 4: 4(15+2x)÷4=-100÷4

6th Simplify: 15+2x=-25

7th Subtract 15 from both sides: 15+2x-15=-25-15

8th Simplify: 2x= -40

9th Divide both sides by 2: 2x÷2=-40÷2

10th Simplify: x = -20

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b. For some pair of points (x1, y1) and (x2, y2), you want to find a point (a, b) such that (a, b) - (x1, y1) = (x2, y2) - (a, b). That is, the differences of coordinates from one end to the center are the same as the differences from the center to the other end.
Adding (a, b) to the above equation gives
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2 years ago
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mamaluj [8]
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7 0
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