Question

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Answer 1

Step-by-step explanation:

(2) 5x - 12 = 2x - 6

5x - 2x = -6 +12

3x = 6

x = 6/3

x = 3

(6) 9y + 5 = 15y -1

9y - 15y = -1 -5

-6y = -6

y = -6/-6

y = 1

(7) 3x + 4 = 5(x -2)

3x + 4 = 5x -10

3x - 5x = -10-4

-7x = -14

x = -14/-7

x = 2

Hope it helps..

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Answer 2

Answer:

1. 7x-5=2x

7x=2x+5

7x-2x=5

5x=5

x=5:5

x=1

2. Given 5x−12=2x−6

5x−2x=12−6

3x=6

x=2

3. 7p−3=3p+8

⇒7p−3p=8+3

⇒4p=11

⇒p= 4/11

∴p= 4/11

4. Given,

8m+9=7m+8

8m−7m=8−9

m=−1

5. Given,7z+13=2z+4

7z−2z=4−13

5z=−9

z= 5/−9

6. Given,

9y+5=15y−1

6y=6

y=1

7. 3x+4=5x−10

10+4=5x−3x

14=2x

x=7

8. this answer is in the pic

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