7x-[2(x^2-z)+4x^2-7z]+6z^2=

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Solution for 7x-[2(x^2-z)+4x^2-7z]+6z^2= equation: 


Simplifying
7x + -1[2(x2 + -1z) + 4x2 + -7z] + 6z2 = 0
7x + -1[(x2 * 2 + -1z * 2) + 4x2 + -7z] + 6z2 = 0
7x + -1[(2x2 + -2z) + 4x2 + -7z] + 6z2 = 0

Reorder the terms:
7x + -1[2x2 + 4x2 + -2z + -7z] + 6z2 = 0

Combine like terms: 2x2 + 4x2 = 6x2
7x + -1[6x2 + -2z + -7z] + 6z2 = 0

Combine like terms: -2z + -7z = -9z
7x + -1[6x2 + -9z] + 6z2 = 0
7x + [6x2 * -1 + -9z * -1] + 6z2 = 0
7x + [-6x2 + 9z] + 6z2 = 0

Solving
7x + -6x2 + 9z + 6z2 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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