21+4s=8(3s-5)

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Solution for 21+4s=8(3s-5) equation:


Simplifying
21 + 4s = 8(3s + -5)

Reorder the terms:
21 + 4s = 8(-5 + 3s)
21 + 4s = (-5 * 8 + 3s * 8)
21 + 4s = (-40 + 24s)

Solving
21 + 4s = -40 + 24s

Solving for variable 's'.

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

Add '-24s' to each side of the equation.
21 + 4s + -24s = -40 + 24s + -24s

Combine like terms: 4s + -24s = -20s
21 + -20s = -40 + 24s + -24s

Combine like terms: 24s + -24s = 0
21 + -20s = -40 + 0
21 + -20s = -40

Add '-21' to each side of the equation.
21 + -21 + -20s = -40 + -21

Combine like terms: 21 + -21 = 0
0 + -20s = -40 + -21
-20s = -40 + -21

Combine like terms: -40 + -21 = -61
-20s = -61

Divide each side by '-20'.
s = 3.05

Simplifying
s = 3.05

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