3z-4-7-z=-3

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Solution for 3z-4-7-z=-3 equation:


Simplifying
3z + -4 + -7 + -1z = -3

Reorder the terms:
-4 + -7 + 3z + -1z = -3

Combine like terms: -4 + -7 = -11
-11 + 3z + -1z = -3

Combine like terms: 3z + -1z = 2z
-11 + 2z = -3

Solving
-11 + 2z = -3

Solving for variable 'z'.

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

Add '11' to each side of the equation.
-11 + 11 + 2z = -3 + 11

Combine like terms: -11 + 11 = 0
0 + 2z = -3 + 11
2z = -3 + 11

Combine like terms: -3 + 11 = 8
2z = 8

Divide each side by '2'.
z = 4

Simplifying
z = 4

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