Упростите выражение - (8x+(x-6))- (-9x + 14y)

Question

Упростите выражение - (8x+(x-6))- (-9x + 14y)

Answer 1

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-(8х+(х-6)-(-9х+14у)
-(8х+х-6)+9х-14у
-8х-х+6+9х-14у
6-14у
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