4z-7=z+5

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Solution for 4z-7=z+5 equation:


Simplifying
4z + -7 = z + 5

Reorder the terms:
-7 + 4z = z + 5

Reorder the terms:
-7 + 4z = 5 + z

Solving
-7 + 4z = 5 + 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 + 4z + -1z = 5 + z + -1z

Combine like terms: 4z + -1z = 3z
-7 + 3z = 5 + z + -1z

Combine like terms: z + -1z = 0
-7 + 3z = 5 + 0
-7 + 3z = 5

Add '7' to each side of the equation.
-7 + 7 + 3z = 5 + 7

Combine like terms: -7 + 7 = 0
0 + 3z = 5 + 7
3z = 5 + 7

Combine like terms: 5 + 7 = 12
3z = 12

Divide each side by '3'.
z = 4

Simplifying
z = 4

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