5z+7z=2z-4-z

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Solution for 5z+7z=2z-4-z equation:


Simplifying
5z + 7z = 2z + -4 + -1z

Combine like terms: 5z + 7z = 12z
12z = 2z + -4 + -1z

Reorder the terms:
12z = -4 + 2z + -1z

Combine like terms: 2z + -1z = 1z
12z = -4 + 1z

Solving
12z = -4 + 1z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
12z + -1z = -4 + 1z + -1z

Combine like terms: 12z + -1z = 11z
11z = -4 + 1z + -1z

Combine like terms: 1z + -1z = 0
11z = -4 + 0
11z = -4

Divide each side by '11'.
z = -0.3636363636

Simplifying
z = -0.3636363636

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