4r+s+7s+3t+8r=

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Solution for 4r+s+7s+3t+8r= equation:


Simplifying
4r + s + 7s + 3t + 8r = 0

Reorder the terms:
4r + 8r + s + 7s + 3t = 0

Combine like terms: 4r + 8r = 12r
12r + s + 7s + 3t = 0

Combine like terms: s + 7s = 8s
12r + 8s + 3t = 0

Solving
12r + 8s + 3t = 0

Solving for variable 'r'.

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

Add '-8s' to each side of the equation.
12r + 8s + -8s + 3t = 0 + -8s

Combine like terms: 8s + -8s = 0
12r + 0 + 3t = 0 + -8s
12r + 3t = 0 + -8s
Remove the zero:
12r + 3t = -8s

Add '-3t' to each side of the equation.
12r + 3t + -3t = -8s + -3t

Combine like terms: 3t + -3t = 0
12r + 0 = -8s + -3t
12r = -8s + -3t

Divide each side by '12'.
r = -0.6666666667s + -0.25t

Simplifying
r = -0.6666666667s + -0.25t

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