-7z+5z=-4z+9

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Solution for -7z+5z=-4z+9 equation:


Simplifying
-7z + 5z = -4z + 9

Combine like terms: -7z + 5z = -2z
-2z = -4z + 9

Reorder the terms:
-2z = 9 + -4z

Solving
-2z = 9 + -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
-2z + 4z = 9 + -4z + 4z

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

Combine like terms: -4z + 4z = 0
2z = 9 + 0
2z = 9

Divide each side by '2'.
z = 4.5

Simplifying
z = 4.5

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