7=z-4

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Solution for 7=z-4 equation:


Simplifying
7 = z + -4

Reorder the terms:
7 = -4 + z

Solving
7 = -4 + 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.
7 + -1z = -4 + z + -1z

Combine like terms: z + -1z = 0
7 + -1z = -4 + 0
7 + -1z = -4

Add '-7' to each side of the equation.
7 + -7 + -1z = -4 + -7

Combine like terms: 7 + -7 = 0
0 + -1z = -4 + -7
-1z = -4 + -7

Combine like terms: -4 + -7 = -11
-1z = -11

Divide each side by '-1'.
z = 11

Simplifying
z = 11

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