X/4+7=y
x being your "number" and y being the answer
Well you would multiply 15/1 by 11/5 giving you. 165/5. Simply the fraction to 33. That's the first answer.
Next you would add 1/3 and 1/8 together giving you 11/24. Multiply 11/24 by 24/1 the resulting answer is 24.
So the two expressions simplified are 33 and 24 respectively.
Answer:
Step-by-step explanation:
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2x+6 is the base
Then the equation is logarithm of 144 on basis 2x + 6 = 2
Then [2x + 6]^2 = 144
Now expand the square binomial
4x^2 + 24x + 36 = 144
4x^2 + 24x + 36 - 144 = 0
4x^2 + 24x - 108 = 0
Divide by 4
x^2 + 6x - 27 = 0
Factor: (x + 9 ) (x - 3) = 0
x = -9 and x = 3
The only valid is x = 3, because x = -9 yields 2x + 6 = - 12 and the logarithm function cannot have negative basis.
Then the answer is x = 3.
Answer:
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Step-by-step explanation:
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