5z-5-7z+7=5z+18-3z

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Solution for 5z-5-7z+7=5z+18-3z equation:


Simplifying
5z + -5 + -7z + 7 = 5z + 18 + -3z

Reorder the terms:
-5 + 7 + 5z + -7z = 5z + 18 + -3z

Combine like terms: -5 + 7 = 2
2 + 5z + -7z = 5z + 18 + -3z

Combine like terms: 5z + -7z = -2z
2 + -2z = 5z + 18 + -3z

Reorder the terms:
2 + -2z = 18 + 5z + -3z

Combine like terms: 5z + -3z = 2z
2 + -2z = 18 + 2z

Solving
2 + -2z = 18 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
2 + -2z + -2z = 18 + 2z + -2z

Combine like terms: -2z + -2z = -4z
2 + -4z = 18 + 2z + -2z

Combine like terms: 2z + -2z = 0
2 + -4z = 18 + 0
2 + -4z = 18

Add '-2' to each side of the equation.
2 + -2 + -4z = 18 + -2

Combine like terms: 2 + -2 = 0
0 + -4z = 18 + -2
-4z = 18 + -2

Combine like terms: 18 + -2 = 16
-4z = 16

Divide each side by '-4'.
z = -4

Simplifying
z = -4

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