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Your equation has two variables in it ... 'a' and 'x'. So the solution is a four-step process:

1). Get another independent equation that relates the same two variables.

2). Solve one of the equations for one of the variables.

3). Substitute that into the other equation, yielding an equation in a single variable.

Solve that one for the single variable.

4). Substitute that value back into the first equation, and solve it for the second variable.

Q: How do you solve log sub 9 parenthesis a over 27 closed parenthesis equals x minus 2?

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40

What I mean by this equation is: x^3-2x^(x-2.5)+x^(x^x)

3/2(1-5)=-6 3/2(-4)=-6 3/-8=-6 Not equal. This equation is a false equation. Unless a variable was meant to be in the equation, this equation is not equal.

7

It is: 32.35 minus 10.63 equals 21.72

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7a=2(-10)........................................answer is 20/7

sin(arcsin(2/3)) = 2/3, since sin is the inverse function of arcsin.

40

What I mean by this equation is: x^3-2x^(x-2.5)+x^(x^x)

3/2(1-5)=-6 3/2(-4)=-6 3/-8=-6 Not equal. This equation is a false equation. Unless a variable was meant to be in the equation, this equation is not equal.

k = 129

7

It is: 32.35 minus 10.63 equals 21.72

To solve (184 + 243 + 808) - (109 + 72 + 84) evaluate the parentheses first: (184 + 243 + 808) - (109 + 72 + 84) = 1235 - 265 = 970

1566 = x

tan(sec-1(5/2))Start with sec-1(5/2), which is the same as cos-1(2/5). So there is a right triangle, where the side adjacent the angle is 2, and the hypotenuse is 5. Solve for the opposite side: sqrt(5Â² - 2Â²) = sqrt(21).Tangent is opposite over adjacent, so the answer is sqrt(21)/2

15x minus 8=minus 180 3x+8=24