3z+(7+z)=-11-2z

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Solution for 3z+(7+z)=-11-2z equation:


Simplifying
3z + (7 + z) = -11 + -2z

Remove parenthesis around (7 + z)
3z + 7 + z = -11 + -2z

Reorder the terms:
7 + 3z + z = -11 + -2z

Combine like terms: 3z + z = 4z
7 + 4z = -11 + -2z

Solving
7 + 4z = -11 + -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
7 + 4z + 2z = -11 + -2z + 2z

Combine like terms: 4z + 2z = 6z
7 + 6z = -11 + -2z + 2z

Combine like terms: -2z + 2z = 0
7 + 6z = -11 + 0
7 + 6z = -11

Add '-7' to each side of the equation.
7 + -7 + 6z = -11 + -7

Combine like terms: 7 + -7 = 0
0 + 6z = -11 + -7
6z = -11 + -7

Combine like terms: -11 + -7 = -18
6z = -18

Divide each side by '6'.
z = -3

Simplifying
z = -3

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