Question

solve the equation ​

Answer 1

Answer:

5z+1/3=7

5z+1=7*3

5z+1=21

5z=21-1

5z=20

z=20/5

z=4

Hence, the value of z=4

Step-by-step explanation:

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Answer 2

Answer:

$(5z + 1) \div 3 = 7 \\ 5x + 1 = 7 \times 3 \\ 5z + 1= 21 \\ 5z = 21 - 1 \\ 5z = 20 \\ z = 20 \div 5 \\ z = 4$