7+s^2(t+4-5r)=

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Solution for 7+s^2(t+4-5r)= equation:


Simplifying
7 + s2(t + 4 + -5r) = 0

Reorder the terms:
7 + s2(4 + -5r + t) = 0
7 + (4 * s2 + -5r * s2 + t * s2) = 0

Reorder the terms:
7 + (-5rs2 + 4s2 + s2t) = 0
7 + (-5rs2 + 4s2 + s2t) = 0

Solving
7 + -5rs2 + 4s2 + s2t = 0

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -5rs2 + 4s2 + -7 + s2t = 0 + -7

Reorder the terms:
7 + -7 + -5rs2 + 4s2 + s2t = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -5rs2 + 4s2 + s2t = 0 + -7
-5rs2 + 4s2 + s2t = 0 + -7

Combine like terms: 0 + -7 = -7
-5rs2 + 4s2 + s2t = -7

Add '-4s2' to each side of the equation.
-5rs2 + 4s2 + -4s2 + s2t = -7 + -4s2

Combine like terms: 4s2 + -4s2 = 0
-5rs2 + 0 + s2t = -7 + -4s2
-5rs2 + s2t = -7 + -4s2

Add '-1s2t' to each side of the equation.
-5rs2 + s2t + -1s2t = -7 + -4s2 + -1s2t

Combine like terms: s2t + -1s2t = 0
-5rs2 + 0 = -7 + -4s2 + -1s2t
-5rs2 = -7 + -4s2 + -1s2t

Divide each side by '-5s2'.
r = 1.4s-2 + 0.8 + 0.2t

Simplifying
r = 1.4s-2 + 0.8 + 0.2t

Reorder the terms:
r = 0.8 + 1.4s-2 + 0.2t

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