If z-4-5z-10- then z - - a 40 b 20 c 10 d 60

Z=4/5(z+10) ⇒ 5z=4z+40⇒ 5z 4z=40 ⇒ z=40 ...

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Solving Equations with Variables on Both Sides

If z=4/5z+10,...

Question

If $z = \frac{4}{5} (z + 10)$ , then z = ?

(a) 40

(b) 20

(c) 10

(d) 60

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Solution

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