-400=z-100

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Solution for -400=z-100 equation:


Simplifying
-400 = z + -100

Reorder the terms:
-400 = -100 + z

Solving
-400 = -100 + 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.
-400 + -1z = -100 + z + -1z

Combine like terms: z + -1z = 0
-400 + -1z = -100 + 0
-400 + -1z = -100

Add '400' to each side of the equation.
-400 + 400 + -1z = -100 + 400

Combine like terms: -400 + 400 = 0
0 + -1z = -100 + 400
-1z = -100 + 400

Combine like terms: -100 + 400 = 300
-1z = 300

Divide each side by '-1'.
z = -300

Simplifying
z = -300

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