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

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Solution for 6(z+3)-(-2z-2)=7z equation:


Simplifying
6(z + 3) + -1(-2z + -2) = 7z

Reorder the terms:
6(3 + z) + -1(-2z + -2) = 7z
(3 * 6 + z * 6) + -1(-2z + -2) = 7z
(18 + 6z) + -1(-2z + -2) = 7z

Reorder the terms:
18 + 6z + -1(-2 + -2z) = 7z
18 + 6z + (-2 * -1 + -2z * -1) = 7z
18 + 6z + (2 + 2z) = 7z

Reorder the terms:
18 + 2 + 6z + 2z = 7z

Combine like terms: 18 + 2 = 20
20 + 6z + 2z = 7z

Combine like terms: 6z + 2z = 8z
20 + 8z = 7z

Solving
20 + 8z = 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
20 + 8z + -7z = 7z + -7z

Combine like terms: 8z + -7z = 1z
20 + 1z = 7z + -7z

Combine like terms: 7z + -7z = 0
20 + 1z = 0

Add '-20' to each side of the equation.
20 + -20 + 1z = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 1z = 0 + -20
1z = 0 + -20

Combine like terms: 0 + -20 = -20
1z = -20

Divide each side by '1'.
z = -20

Simplifying
z = -20

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