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

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


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

Remove parenthesis around (-2 + z)
-2 + z + (-7 + (-3z)) + 2 = 6

Remove parenthesis around (-7 + (-3z))
-2 + z + -7 + (-3z) + 2 = 6

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

Combine like terms: -2 + -7 = -9
-9 + 2 + z + (-3z) = 6

Combine like terms: -9 + 2 = -7
-7 + z + (-3z) = 6

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

Solving
-7 + -2z = 6

Solving for variable 'z'.

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

Add '7' to each side of the equation.
-7 + 7 + -2z = 6 + 7

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

Combine like terms: 6 + 7 = 13
-2z = 13

Divide each side by '-2'.
z = -6.5

Simplifying
z = -6.5

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