13z+20-9=17z-5

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Solution for 13z+20-9=17z-5 equation:


Simplifying
13z + 20 + -9 = 17z + -5

Reorder the terms:
20 + -9 + 13z = 17z + -5

Combine like terms: 20 + -9 = 11
11 + 13z = 17z + -5

Reorder the terms:
11 + 13z = -5 + 17z

Solving
11 + 13z = -5 + 17z

Solving for variable 'z'.

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

Add '-17z' to each side of the equation.
11 + 13z + -17z = -5 + 17z + -17z

Combine like terms: 13z + -17z = -4z
11 + -4z = -5 + 17z + -17z

Combine like terms: 17z + -17z = 0
11 + -4z = -5 + 0
11 + -4z = -5

Add '-11' to each side of the equation.
11 + -11 + -4z = -5 + -11

Combine like terms: 11 + -11 = 0
0 + -4z = -5 + -11
-4z = -5 + -11

Combine like terms: -5 + -11 = -16
-4z = -16

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

Simplifying
z = 4

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