8z+4z=-9-4+3z

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Solution for 8z+4z=-9-4+3z equation: 


Simplifying
8z + 4z = -9 + -4 + 3z

Combine like terms: 8z + 4z = 12z
12z = -9 + -4 + 3z

Combine like terms: -9 + -4 = -13
12z = -13 + 3z

Solving
12z = -13 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
12z + -3z = -13 + 3z + -3z

Combine like terms: 12z + -3z = 9z
9z = -13 + 3z + -3z

Combine like terms: 3z + -3z = 0
9z = -13 + 0
9z = -13

Divide each side by '9'.
z = -1.444444444

Simplifying
z = -1.444444444

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