Substract 2x + 9y +1
from
3 x + 11y-15
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1
Answer:
x + 2y -16
Step-by-step explanation:
3x + 11y - 15 - (2x + 9y + 1)
3x + 11y -15 -2x -9y -1
3x - 2x + 11y -9y -15 -1
x + 2y -16
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