Solve the equations with one variable for an explicit value (or values) of the unknown:

3z ā€” 7 = 5 +z


3zā€”z=5+7 Added ā€”z to both sides
2z = 12 Collected terms
z = 12 / 2 Divided both sides by 2
z= 6 Simplified
z = 6 This is the solution.

Computer Science & Information Technology

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