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Lyrx [107]
3 years ago
15

Please help me solve log3(2x+5)=3

Mathematics
1 answer:
N76 [4]3 years ago
4 0

Answer:

x = -2

Step-by-step explanation:

Divide both sides by 3

3 (2x + 5)/3 = 3/3

Simplify

2x + 5 = 1

Subtract 5 from both sides

2x + 5 - 5 = 1 - 5

Simplify

2x = -4

Divide both sides by 2

2x/2 = -4/2

Simplify: 2x/2

Divide the numbers: 2/2 = 1

= x

Simplify: -4/2

Apply the fraction rule: -1/b = -a/b

= - 4/2

Divide the numbers: 4/2 = 2

= -2

x = -2

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Step-by-step explanation:

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3 years ago
AN = 16CM; AC = 18CM & CN = (4X -6) CM. Find the value of X
Slav-nsk [51]

Answer:

x = 6

Step-by-step explanation:

Since <A is congruent to <N, they are both an isosceles base angles. ∆CAN is an isosceles ∆.

Therefore, one of the properties of an isosceles ∆ is that two sides are equal, aside the base of the isosceles. This implies that: CN = AC

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CN = (4x - 6)cm, therefore, we can generate an equation for solve for x as follows,

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