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irina1246 [14]
3 years ago
12

Will mark brainliest! Solve! 9x +25+3x = 34 + 54 HELP!!!

Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
7 0

Answer:

9x + 25 + 3x = 34 + 54

9x + 3x = 12x

34 + 54 = 88

12x + 25 = 88

      - 25    - 25

12x = 63

<em><u>x = 5.25</u></em>

Liono4ka [1.6K]3 years ago
7 0

Answer:

x = 21/4 = 5 1/4

Step-by-step explanation:

9x +25+3x = 34 + 54

Combine like terms

12x+25 = 88

Subtract 25 from each side

12x+25-25 = 88-25

12x =63

Divide by 12

12x/12 = 63/12

x = 21/4

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