-3z+6+4z=13

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Solution for -3z+6+4z=13 equation: 


Simplifying
-3z + 6 + 4z = 13

Reorder the terms:
6 + -3z + 4z = 13

Combine like terms: -3z + 4z = 1z
6 + 1z = 13

Solving
6 + 1z = 13

Solving for variable 'z'.

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

Add '-6' to each side of the equation.
6 + -6 + 1z = 13 + -6

Combine like terms: 6 + -6 = 0
0 + 1z = 13 + -6
1z = 13 + -6

Combine like terms: 13 + -6 = 7
1z = 7

Divide each side by '1'.
z = 7

Simplifying
z = 7

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