9=2(s-10)

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Solution for 9=2(s-10) equation:


Simplifying
9 = 2(s + -10)

Reorder the terms:
9 = 2(-10 + s)
9 = (-10 * 2 + s * 2)
9 = (-20 + 2s)

Solving
9 = -20 + 2s

Solving for variable 's'.

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

Add '-2s' to each side of the equation.
9 + -2s = -20 + 2s + -2s

Combine like terms: 2s + -2s = 0
9 + -2s = -20 + 0
9 + -2s = -20

Add '-9' to each side of the equation.
9 + -9 + -2s = -20 + -9

Combine like terms: 9 + -9 = 0
0 + -2s = -20 + -9
-2s = -20 + -9

Combine like terms: -20 + -9 = -29
-2s = -29

Divide each side by '-2'.
s = 14.5

Simplifying
s = 14.5

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