7st+4t(s+t+4)-9=

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Solution for 7st+4t(s+t+4)-9= equation:


Simplifying
7st + 4t(s + t + 4) + -9 = 0

Reorder the terms:
7st + 4t(4 + s + t) + -9 = 0
7st + (4 * 4t + s * 4t + t * 4t) + -9 = 0

Reorder the terms:
7st + (4st + 16t + 4t2) + -9 = 0
7st + (4st + 16t + 4t2) + -9 = 0

Reorder the terms:
-9 + 7st + 4st + 16t + 4t2 = 0

Combine like terms: 7st + 4st = 11st
-9 + 11st + 16t + 4t2 = 0

Solving
-9 + 11st + 16t + 4t2 = 0

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 11st + 16t + 9 + 4t2 = 0 + 9

Reorder the terms:
-9 + 9 + 11st + 16t + 4t2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 11st + 16t + 4t2 = 0 + 9
11st + 16t + 4t2 = 0 + 9

Combine like terms: 0 + 9 = 9
11st + 16t + 4t2 = 9

Add '-16t' to each side of the equation.
11st + 16t + -16t + 4t2 = 9 + -16t

Combine like terms: 16t + -16t = 0
11st + 0 + 4t2 = 9 + -16t
11st + 4t2 = 9 + -16t

Add '-4t2' to each side of the equation.
11st + 4t2 + -4t2 = 9 + -16t + -4t2

Combine like terms: 4t2 + -4t2 = 0
11st + 0 = 9 + -16t + -4t2
11st = 9 + -16t + -4t2

Divide each side by '11t'.
s = 0.8181818182t-1 + -1.454545455 + -0.3636363636t

Simplifying
s = 0.8181818182t-1 + -1.454545455 + -0.3636363636t

Reorder the terms:
s = -1.454545455 + 0.8181818182t-1 + -0.3636363636t

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