Question

solve the linear equation z/(z+15) = 4/9.​

Answer 1

Answer:

Step-by-step explanation:

Z/Z+15=4/9

9Z=4Z+60

5Z=60

Z=12

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Answer 2

Answer:

z = 12

Step-by-step explanation:

$\frac{z}{(z+15)}$ = $\frac{4}{9}$

Step 1: Cross Multiply

z*9 = 4*(z+15)

9z = 4z+60

Step 2: Subtract

9z - 4z = 60

5z = 60

Step 3: Divide 60 by 5

z = $\frac{60}{5}$

z = 12

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