3z+7-z=1+z+2

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Solution for 3z+7-z=1+z+2 equation:


Simplifying
3z + 7 + -1z = 1 + z + 2

Reorder the terms:
7 + 3z + -1z = 1 + z + 2

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

Reorder the terms:
7 + 2z = 1 + 2 + z

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

Solving
7 + 2z = 3 + 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.
7 + 2z + -1z = 3 + z + -1z

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

Combine like terms: z + -1z = 0
7 + 1z = 3 + 0
7 + 1z = 3

Add '-7' to each side of the equation.
7 + -7 + 1z = 3 + -7

Combine like terms: 7 + -7 = 0
0 + 1z = 3 + -7
1z = 3 + -7

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

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

Simplifying
z = -4

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