7z-7=-25+4z

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Solution for 7z-7=-25+4z equation:


Simplifying
7z + -7 = -25 + 4z

Reorder the terms:
-7 + 7z = -25 + 4z

Solving
-7 + 7z = -25 + 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.
-7 + 7z + -4z = -25 + 4z + -4z

Combine like terms: 7z + -4z = 3z
-7 + 3z = -25 + 4z + -4z

Combine like terms: 4z + -4z = 0
-7 + 3z = -25 + 0
-7 + 3z = -25

Add '7' to each side of the equation.
-7 + 7 + 3z = -25 + 7

Combine like terms: -7 + 7 = 0
0 + 3z = -25 + 7
3z = -25 + 7

Combine like terms: -25 + 7 = -18
3z = -18

Divide each side by '3'.
z = -6

Simplifying
z = -6

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