Need help asap please

Mathematics

1 answer:

victus00 [196]3 years ago

7 0

Answer:

z=3.3 repeating

Step-by-step explanation:

Move all terms that don't contain z to the right side and solve.

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Which of the following is a solution to the equation x - 5/7 = -3/7

podryga [215]

Solve the equation:

 5 3
x – —— = – ——
 7 7

 5
Add —— to both sides, so you get x isolated at the left-hand side:
 7

 5 5 3 5
x – —— + —— = – —— + ——
 7 7 7 7

 3 5
x = – —— + ——
 7 7

Now, add those fractions at the right-hand side of the equation:

 – 3 + 5
x = —————
 7

 2
x = —— <——— this is the answer (first option: 2/7).
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I hope this helps. =)

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Step-by-step explanation:

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