2z+7z=z-7-2z

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


Simplifying
2z + 7z = z + -7 + -2z

Combine like terms: 2z + 7z = 9z
9z = z + -7 + -2z

Reorder the terms:
9z = -7 + z + -2z

Combine like terms: z + -2z = -1z
9z = -7 + -1z

Solving
9z = -7 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
9z + z = -7 + -1z + z

Combine like terms: 9z + z = 10z
10z = -7 + -1z + z

Combine like terms: -1z + z = 0
10z = -7 + 0
10z = -7

Divide each side by '10'.
z = -0.7

Simplifying
z = -0.7

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