Question

the co efficient of variable x in the linear equation x(x+9)= x(7-x) +15​

Answer 1

Answer:

2

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Answer 2

Step-by-step explanation:

$x(x + 9) = x(7 - x) + 15$

${x + 9x = 7x - x + 15}^{2}$

10

$10x = 7x - x + 15$