-3z+7z=7z-1+2z

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Solution for -3z+7z=7z-1+2z equation:


Simplifying
-3z + 7z = 7z + -1 + 2z

Combine like terms: -3z + 7z = 4z
4z = 7z + -1 + 2z

Reorder the terms:
4z = -1 + 7z + 2z

Combine like terms: 7z + 2z = 9z
4z = -1 + 9z

Solving
4z = -1 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
4z + -9z = -1 + 9z + -9z

Combine like terms: 4z + -9z = -5z
-5z = -1 + 9z + -9z

Combine like terms: 9z + -9z = 0
-5z = -1 + 0
-5z = -1

Divide each side by '-5'.
z = 0.2

Simplifying
z = 0.2

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