1.

What should be added to (-7a)+2x-3y to get 9x?​

Answer» ONG>Answer:

7x + 7A + 3y..

Step-by-step explanation:

LET (-7a)+2x-3y be added to q(x) to get g(x) = 9x

a/c to question-

f(x) + q(x) = g(x)

(-7a)+2x-3y + q(x) = 9x

q(x) = 9x + 7a - 2x + 3y

q(x) = 9x - 2x + 7a +3y

q(x) =  7x + 7a + 3y

prove:

(-7a)+2x-3y + 7x +7a + 3y = 9x

-7a + 7a - 3y + 3y + 2x + 7x = 9x

2x + 7x = 9x

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