find the following if 2×x=7,x=
Answers
Answered by
1
Answer:
2×x=7
x=7-2
x=5.
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Answered by
0
Answer:
Since the left and right sides of the equation do not have the same base, start by taking the log of both sides.
2
x
=
7
log
(
2
x
)
=
log
(
7
)
2
. Use the log property,
log
b
(
m
n
)
=
n
⋅
log
b
(
m
)
, to simplify
log
(
2
x
)
.
x
log
(
2
)
=
log
(
7
)
3
. Solve for
x
.
x
=
log
(
7
)
log
(
2
)
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