-5z-15=-5-7z

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Solution for -5z-15=-5-7z equation:


Simplifying
-5z + -15 = -5 + -7z

Reorder the terms:
-15 + -5z = -5 + -7z

Solving
-15 + -5z = -5 + -7z

Solving for variable 'z'.

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

Add '7z' to each side of the equation.
-15 + -5z + 7z = -5 + -7z + 7z

Combine like terms: -5z + 7z = 2z
-15 + 2z = -5 + -7z + 7z

Combine like terms: -7z + 7z = 0
-15 + 2z = -5 + 0
-15 + 2z = -5

Add '15' to each side of the equation.
-15 + 15 + 2z = -5 + 15

Combine like terms: -15 + 15 = 0
0 + 2z = -5 + 15
2z = -5 + 15

Combine like terms: -5 + 15 = 10
2z = 10

Divide each side by '2'.
z = 5

Simplifying
z = 5

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