nehemiahj
nehemiahj
27-01-2021
Mathematics
contestada
7x + 10 - 18 + 2x = 55
Respuesta :
govindaneysa
govindaneysa
27-01-2021
Answer:
7
Step-by-step explanation:
add the like terms,
9x - 8 = 55
9x = 63
x = 63 ÷ 9
x = 7
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