Answer:
The answer is 76500 : 153000
Step-by-step explanation:
You need to times 2
=(2x-3y+4z)+(9x-8y+7z)
=2x+9x-3y-8y+4z+7z
=11x-11y+11z
hope like the answer
please mark the answer as brainliest
Im guessing ruth...
not very clear on question