7(s+8)=21(s-14)

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Solution for 7(s+8)=21(s-14) equation:


Simplifying
7(s + 8) = 21(s + -14)

Reorder the terms:
7(8 + s) = 21(s + -14)
(8 * 7 + s * 7) = 21(s + -14)
(56 + 7s) = 21(s + -14)

Reorder the terms:
56 + 7s = 21(-14 + s)
56 + 7s = (-14 * 21 + s * 21)
56 + 7s = (-294 + 21s)

Solving
56 + 7s = -294 + 21s

Solving for variable 's'.

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

Add '-21s' to each side of the equation.
56 + 7s + -21s = -294 + 21s + -21s

Combine like terms: 7s + -21s = -14s
56 + -14s = -294 + 21s + -21s

Combine like terms: 21s + -21s = 0
56 + -14s = -294 + 0
56 + -14s = -294

Add '-56' to each side of the equation.
56 + -56 + -14s = -294 + -56

Combine like terms: 56 + -56 = 0
0 + -14s = -294 + -56
-14s = -294 + -56

Combine like terms: -294 + -56 = -350
-14s = -350

Divide each side by '-14'.
s = 25

Simplifying
s = 25

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