3z+3-z=6+z-7

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Solution for 3z+3-z=6+z-7 equation:


Simplifying
3z + 3 + -1z = 6 + z + -7

Reorder the terms:
3 + 3z + -1z = 6 + z + -7

Combine like terms: 3z + -1z = 2z
3 + 2z = 6 + z + -7

Reorder the terms:
3 + 2z = 6 + -7 + z

Combine like terms: 6 + -7 = -1
3 + 2z = -1 + z

Solving
3 + 2z = -1 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
3 + 2z + -1z = -1 + z + -1z

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

Combine like terms: z + -1z = 0
3 + 1z = -1 + 0
3 + 1z = -1

Add '-3' to each side of the equation.
3 + -3 + 1z = -1 + -3

Combine like terms: 3 + -3 = 0
0 + 1z = -1 + -3
1z = -1 + -3

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

Divide each side by '1'.
z = -4

Simplifying
z = -4

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