7z-1=4z+8

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Solution for 7z-1=4z+8 equation:


Simplifying
7z + -1 = 4z + 8

Reorder the terms:
-1 + 7z = 4z + 8

Reorder the terms:
-1 + 7z = 8 + 4z

Solving
-1 + 7z = 8 + 4z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '-4z' to each side of the equation.
-1 + 7z + -4z = 8 + 4z + -4z

Combine like terms: 7z + -4z = 3z
-1 + 3z = 8 + 4z + -4z

Combine like terms: 4z + -4z = 0
-1 + 3z = 8 + 0
-1 + 3z = 8

Add '1' to each side of the equation.
-1 + 1 + 3z = 8 + 1

Combine like terms: -1 + 1 = 0
0 + 3z = 8 + 1
3z = 8 + 1

Combine like terms: 8 + 1 = 9
3z = 9

Divide each side by '3'.
z = 3

Simplifying
z = 3

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