Answer:
1/3
Step-by-step explanation:
2/3 plus -1/3 is the same as subtracting 1/3 from 2/3.
2/3 + (-1/3) is the same as 2/3-1/3 which is 1/3
y=135
To find the solution, we must put 7 in for x and solve, as shown:
9x5=45 D is ur answer
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