Math, asked by rajalala192, 6 months ago

if z=4by5(z+10)then z= ?​

Answers

Answered by esha2993
1

Answer:

40

Step-by-step explanation:

z=\frac{4}{5} * [z + 10]\\z=0.8 * [z + 10]\\z=0.8z + 8\\z - 0.8z = 8\\0.2z = 8\\z= \frac{8*10}{2} \\z = 40

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