Answered

3. 2x + 7 = 26
Solution:
Check:​

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Answer:

2x + 7 = 26

SOLUTION:

Transpose:

2x = 26-7

2x = 19

x = 19/2

Check:

Substitute:

2(19/2) + 7 =26

19 + 7 = 26
Solution:

2x + 7 = 26

2x = 26 - 7

2x = 19

2x/2 = 19/2

x = 19/2



Check:

2x + 7

2(19/2) + 7

38/2 + 7

19 + 7 = 26