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 = 4
-1z = 4

Divide each side by '-1'.
z = -4

Simplifying
z = -4

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