add:(4x-2y-9z)and(x-5y-2z)
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5x-7y-11z
Mark me as brainliest
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4x-2y-9z +(x-5y-2z) = 4x-2y-9z+x-5y-2z =5x-7y-11z
Hope it helps you plzzzz mark me as brainly if it helps you
Hope it helps you plzzzz mark me as brainly if it helps you
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