4z-4=-7+z

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Solution for 4z-4=-7+z equation:


Simplifying
4z + -4 = -7 + z

Reorder the terms:
-4 + 4z = -7 + z

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

Combine like terms: 4z + -1z = 3z
-4 + 3z = -7 + z + -1z

Combine like terms: z + -1z = 0
-4 + 3z = -7 + 0
-4 + 3z = -7

Add '4' to each side of the equation.
-4 + 4 + 3z = -7 + 4

Combine like terms: -4 + 4 = 0
0 + 3z = -7 + 4
3z = -7 + 4

Combine like terms: -7 + 4 = -3
3z = -3

Divide each side by '3'.
z = -1

Simplifying
z = -1

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