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