7z+77=4z+158

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Solution for 7z+77=4z+158 equation:


Simplifying
7z + 77 = 4z + 158

Reorder the terms:
77 + 7z = 4z + 158

Reorder the terms:
77 + 7z = 158 + 4z

Solving
77 + 7z = 158 + 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.
77 + 7z + -4z = 158 + 4z + -4z

Combine like terms: 7z + -4z = 3z
77 + 3z = 158 + 4z + -4z

Combine like terms: 4z + -4z = 0
77 + 3z = 158 + 0
77 + 3z = 158

Add '-77' to each side of the equation.
77 + -77 + 3z = 158 + -77

Combine like terms: 77 + -77 = 0
0 + 3z = 158 + -77
3z = 158 + -77

Combine like terms: 158 + -77 = 81
3z = 81

Divide each side by '3'.
z = 27

Simplifying
z = 27

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