s-(3s-9)=-5

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Solution for s-(3s-9)=-5 equation:


Simplifying
s + -1(3s + -9) = -5

Reorder the terms:
s + -1(-9 + 3s) = -5
s + (-9 * -1 + 3s * -1) = -5
s + (9 + -3s) = -5

Reorder the terms:
9 + s + -3s = -5

Combine like terms: s + -3s = -2s
9 + -2s = -5

Solving
9 + -2s = -5

Solving for variable 's'.

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

Add '-9' to each side of the equation.
9 + -9 + -2s = -5 + -9

Combine like terms: 9 + -9 = 0
0 + -2s = -5 + -9
-2s = -5 + -9

Combine like terms: -5 + -9 = -14
-2s = -14

Divide each side by '-2'.
s = 7

Simplifying
s = 7

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