3 years ago

(4x+2y-6z) + (5y-2z+7x) + (-9z-2x-3y)

Mathematics

1 answer:

Free_Kalibri [48]3 years ago

7 0

Answer:

9x+4y-17z

Step-by-step explanation:

first open brackets with d signs

dat is= 4x+2y-6z+5y-2z+7x-9z-2x-3y

collect like terms and = 4x+7x-2x+2y+5y-3y-6z-2z-9z= 9x+4y-17z

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