2(s-4)=s-9

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Solution for 2(s-4)=s-9 equation:


Simplifying
2(s + -4) = s + -9

Reorder the terms:
2(-4 + s) = s + -9
(-4 * 2 + s * 2) = s + -9
(-8 + 2s) = s + -9

Reorder the terms:
-8 + 2s = -9 + s

Solving
-8 + 2s = -9 + s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
-8 + 2s + -1s = -9 + s + -1s

Combine like terms: 2s + -1s = 1s
-8 + 1s = -9 + s + -1s

Combine like terms: s + -1s = 0
-8 + 1s = -9 + 0
-8 + 1s = -9

Add '8' to each side of the equation.
-8 + 8 + 1s = -9 + 8

Combine like terms: -8 + 8 = 0
0 + 1s = -9 + 8
1s = -9 + 8

Combine like terms: -9 + 8 = -1
1s = -1

Divide each side by '1'.
s = -1

Simplifying
s = -1

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