-7z+8z=-9z-7+2z

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Solution for -7z+8z=-9z-7+2z equation:


Simplifying
-7z + 8z = -9z + -7 + 2z

Combine like terms: -7z + 8z = 1z
1z = -9z + -7 + 2z

Reorder the terms:
1z = -7 + -9z + 2z

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

Solving
1z = -7 + -7z

Solving for variable 'z'.

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

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

Combine like terms: 1z + 7z = 8z
8z = -7 + -7z + 7z

Combine like terms: -7z + 7z = 0
8z = -7 + 0
8z = -7

Divide each side by '8'.
z = -0.875

Simplifying
z = -0.875

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