Question

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15. Find x if
log2 (7x + 2) = 3​

Answer 1

Answer:

x=6/7

Step-by-step explanation:

log2(7x+2)=3

7x+2=2^3

7x+2=8

7x=8-2

x=6/7

Answer 2

x=6/7

log2 (7x + 2)=3

7x + 2 = 2³ expential form

7x +2 =8

7x = 8- 2

7x = 6

x = 6/7

put value x = 6/7 in eqation

log2 (7 (6/7)+2)=3

6+2=2³ expential form

8=8