12z+14-10z=21-2z-1

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Solution for 12z+14-10z=21-2z-1 equation:


Simplifying
12z + 14 + -10z = 21 + -2z + -1

Reorder the terms:
14 + 12z + -10z = 21 + -2z + -1

Combine like terms: 12z + -10z = 2z
14 + 2z = 21 + -2z + -1

Reorder the terms:
14 + 2z = 21 + -1 + -2z

Combine like terms: 21 + -1 = 20
14 + 2z = 20 + -2z

Solving
14 + 2z = 20 + -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
14 + 2z + 2z = 20 + -2z + 2z

Combine like terms: 2z + 2z = 4z
14 + 4z = 20 + -2z + 2z

Combine like terms: -2z + 2z = 0
14 + 4z = 20 + 0
14 + 4z = 20

Add '-14' to each side of the equation.
14 + -14 + 4z = 20 + -14

Combine like terms: 14 + -14 = 0
0 + 4z = 20 + -14
4z = 20 + -14

Combine like terms: 20 + -14 = 6
4z = 6

Divide each side by '4'.
z = 1.5

Simplifying
z = 1.5

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