Answer:
first option
Step-by-step explanation:
3x - 7y and - 7y + 3x are equivalent expressions
3x is positive and - 7y is negative
As long as the signs on their coefficients do not change then they can be reversed, that is
3x - 7y = - 7y + 3x
Answer:
312-m
Step-by-step explanation:
312-m
We are subtracting m from 312
40 - 28 do that and you'll get your answer
I didn’t know the answer sorry
The answer is D) 12
8x +14=9x+12
8x+12=9x
12=1x
x=12