12z+9=10z+19

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Solution for 12z+9=10z+19 equation:


Simplifying
12z + 9 = 10z + 19

Reorder the terms:
9 + 12z = 10z + 19

Reorder the terms:
9 + 12z = 19 + 10z

Solving
9 + 12z = 19 + 10z

Solving for variable 'z'.

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

Add '-10z' to each side of the equation.
9 + 12z + -10z = 19 + 10z + -10z

Combine like terms: 12z + -10z = 2z
9 + 2z = 19 + 10z + -10z

Combine like terms: 10z + -10z = 0
9 + 2z = 19 + 0
9 + 2z = 19

Add '-9' to each side of the equation.
9 + -9 + 2z = 19 + -9

Combine like terms: 9 + -9 = 0
0 + 2z = 19 + -9
2z = 19 + -9

Combine like terms: 19 + -9 = 10
2z = 10

Divide each side by '2'.
z = 5

Simplifying
z = 5

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