Respuesta :
Answer:
9x + 25 + 3x = 34 + 54
9x + 3x = 12x
34 + 54 = 88
12x + 25 = 88
- 25 - 25
12x = 63
x = 5.25
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