61=0.25s+0.55(s-100)

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Solution for 61=0.25s+0.55(s-100) equation:


Simplifying
61 = 0.25s + 0.55(s + -100)

Reorder the terms:
61 = 0.25s + 0.55(-100 + s)
61 = 0.25s + (-100 * 0.55 + s * 0.55)
61 = 0.25s + (-55 + 0.55s)

Reorder the terms:
61 = -55 + 0.25s + 0.55s

Combine like terms: 0.25s + 0.55s = 0.8s
61 = -55 + 0.8s

Solving
61 = -55 + 0.8s

Solving for variable 's'.

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

Add '-0.8s' to each side of the equation.
61 + -0.8s = -55 + 0.8s + -0.8s

Combine like terms: 0.8s + -0.8s = 0.0
61 + -0.8s = -55 + 0.0
61 + -0.8s = -55

Add '-61' to each side of the equation.
61 + -61 + -0.8s = -55 + -61

Combine like terms: 61 + -61 = 0
0 + -0.8s = -55 + -61
-0.8s = -55 + -61

Combine like terms: -55 + -61 = -116
-0.8s = -116

Divide each side by '-0.8'.
s = 145

Simplifying
s = 145

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