7z+s=9-3z

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Solution for 7z+s=9-3z equation: 


Simplifying
7z + s = 9 + -3z

Reorder the terms:
s + 7z = 9 + -3z

Solving
s + 7z = 9 + -3z

Solving for variable 's'.

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

Add '-7z' to each side of the equation.
s + 7z + -7z = 9 + -3z + -7z

Combine like terms: 7z + -7z = 0
s + 0 = 9 + -3z + -7z
s = 9 + -3z + -7z

Combine like terms: -3z + -7z = -10z
s = 9 + -10z

Simplifying
s = 9 + -10z

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