3z+4=z+8

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Solution for 3z+4=z+8 equation:


Simplifying
3z + 4 = z + 8

Reorder the terms:
4 + 3z = z + 8

Reorder the terms:
4 + 3z = 8 + z

Solving
4 + 3z = 8 + 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 + 3z + -1z = 8 + z + -1z

Combine like terms: 3z + -1z = 2z
4 + 2z = 8 + z + -1z

Combine like terms: z + -1z = 0
4 + 2z = 8 + 0
4 + 2z = 8

Add '-4' to each side of the equation.
4 + -4 + 2z = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 2z = 8 + -4
2z = 8 + -4

Combine like terms: 8 + -4 = 4
2z = 4

Divide each side by '2'.
z = 2

Simplifying
z = 2

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