9z+7z=-5-4+6z

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Solution for 9z+7z=-5-4+6z equation:


Simplifying
9z + 7z = -5 + -4 + 6z

Combine like terms: 9z + 7z = 16z
16z = -5 + -4 + 6z

Combine like terms: -5 + -4 = -9
16z = -9 + 6z

Solving
16z = -9 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
16z + -6z = -9 + 6z + -6z

Combine like terms: 16z + -6z = 10z
10z = -9 + 6z + -6z

Combine like terms: 6z + -6z = 0
10z = -9 + 0
10z = -9

Divide each side by '10'.
z = -0.9

Simplifying
z = -0.9

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