7 2/9 + -5 1/5 = show your work, show me how you got this answer pls double check!!!!! D;
1 answer:
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Answer:
f(x)^-1 =
Step-by-step explanation:
f(x) = (4x - 3) / 7
y = (4x - 3) / 7
x = (4y - 3) / 7
x / 7 = 4y - 3
x/7 + 3 = 4y
y =