9-(s+7)=4

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Solution for 9-(s+7)=4 equation:


Simplifying
9 + -1(s + 7) = 4

Reorder the terms:
9 + -1(7 + s) = 4
9 + (7 * -1 + s * -1) = 4
9 + (-7 + -1s) = 4

Combine like terms: 9 + -7 = 2
2 + -1s = 4

Solving
2 + -1s = 4

Solving for variable 's'.

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

Add '-2' to each side of the equation.
2 + -2 + -1s = 4 + -2

Combine like terms: 2 + -2 = 0
0 + -1s = 4 + -2
-1s = 4 + -2

Combine like terms: 4 + -2 = 2
-1s = 2

Divide each side by '-1'.
s = -2

Simplifying
s = -2

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