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Solve for in each of the following linear equations:
2x+8=9x-6

X+10=20-x

11-x=5x-7

14x-8=10x+20


Sagot :

Answer:

2x+8=9x-6

8+6=9x-2x. (Combine like terms)*Change the sign

7x=14. (Perform operation) 9-2=7 8+6=14

7x/7 =14/7. (Divide to 7 to find x)

x=2

x+10=20-x

x+x=20-10

2x=10

2x/2=10/2

x=5

11-x=5x-7

5x+x=11+7

6x=18

6x/6=18/6

x=3

14x-8=10x+20

14x-10x=20+8

4x=28

4x/4=28/4

x=7

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