7z+13=3z+5

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Solution for 7z+13=3z+5 equation:


Simplifying
7z + 13 = 3z + 5

Reorder the terms:
13 + 7z = 3z + 5

Reorder the terms:
13 + 7z = 5 + 3z

Solving
13 + 7z = 5 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
13 + 7z + -3z = 5 + 3z + -3z

Combine like terms: 7z + -3z = 4z
13 + 4z = 5 + 3z + -3z

Combine like terms: 3z + -3z = 0
13 + 4z = 5 + 0
13 + 4z = 5

Add '-13' to each side of the equation.
13 + -13 + 4z = 5 + -13

Combine like terms: 13 + -13 = 0
0 + 4z = 5 + -13
4z = 5 + -13

Combine like terms: 5 + -13 = -8
4z = -8

Divide each side by '4'.
z = -2

Simplifying
z = -2

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