7z+8=5z+13

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Solution for 7z+8=5z+13 equation:


Simplifying
7z + 8 = 5z + 13

Reorder the terms:
8 + 7z = 5z + 13

Reorder the terms:
8 + 7z = 13 + 5z

Solving
8 + 7z = 13 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
8 + 7z + -5z = 13 + 5z + -5z

Combine like terms: 7z + -5z = 2z
8 + 2z = 13 + 5z + -5z

Combine like terms: 5z + -5z = 0
8 + 2z = 13 + 0
8 + 2z = 13

Add '-8' to each side of the equation.
8 + -8 + 2z = 13 + -8

Combine like terms: 8 + -8 = 0
0 + 2z = 13 + -8
2z = 13 + -8

Combine like terms: 13 + -8 = 5
2z = 5

Divide each side by '2'.
z = 2.5

Simplifying
z = 2.5

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