Masakashi Masakashi

15-04-2020
Mathematics

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katkam6996 katkam6996

15-04-2020

Answer:

3.) x = 15

4.) x = 7

5.) x = 11

6.) x = 14

Step-by-step explanation:

3.) ( 3x + 30 ) + ( 6x + 15 ) = 180

4.) (6x + 8 ) + ( 3x + 19 ) = 90

5.) (5x - 14 ) + ( 4x + 5 ) = 90

6.) ( 7x - 15 ) + ( 8x - 15 ) = 180

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