3=z-7

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Solution for 3=z-7 equation:


Simplifying
3 = z + -7

Reorder the terms:
3 = -7 + z

Solving
3 = -7 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
3 + -1z = -7 + z + -1z

Combine like terms: z + -1z = 0
3 + -1z = -7 + 0
3 + -1z = -7

Add '-3' to each side of the equation.
3 + -3 + -1z = -7 + -3

Combine like terms: 3 + -3 = 0
0 + -1z = -7 + -3
-1z = -7 + -3

Combine like terms: -7 + -3 = -10
-1z = -10

Divide each side by '-1'.
z = 10

Simplifying
z = 10

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