7z+1-2z=8+4z-4

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Solution for 7z+1-2z=8+4z-4 equation:


Simplifying
7z + 1 + -2z = 8 + 4z + -4

Reorder the terms:
1 + 7z + -2z = 8 + 4z + -4

Combine like terms: 7z + -2z = 5z
1 + 5z = 8 + 4z + -4

Reorder the terms:
1 + 5z = 8 + -4 + 4z

Combine like terms: 8 + -4 = 4
1 + 5z = 4 + 4z

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

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

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

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

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

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

Divide each side by '1'.
z = 3

Simplifying
z = 3

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