42-5z=12-10z

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Solution for 42-5z=12-10z equation:


Simplifying
42 + -5z = 12 + -10z

Solving
42 + -5z = 12 + -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.
42 + -5z + 10z = 12 + -10z + 10z

Combine like terms: -5z + 10z = 5z
42 + 5z = 12 + -10z + 10z

Combine like terms: -10z + 10z = 0
42 + 5z = 12 + 0
42 + 5z = 12

Add '-42' to each side of the equation.
42 + -42 + 5z = 12 + -42

Combine like terms: 42 + -42 = 0
0 + 5z = 12 + -42
5z = 12 + -42

Combine like terms: 12 + -42 = -30
5z = -30

Divide each side by '5'.
z = -6

Simplifying
z = -6

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