(-7x^3+2z-7)-(2z^3-z-3)=

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


Simplifying
(-7x3 + 2z + -7) + -1(2z3 + -1z + -3) = 0

Reorder the terms:
(-7 + -7x3 + 2z) + -1(2z3 + -1z + -3) = 0

Remove parenthesis around (-7 + -7x3 + 2z)
-7 + -7x3 + 2z + -1(2z3 + -1z + -3) = 0

Reorder the terms:
-7 + -7x3 + 2z + -1(-3 + -1z + 2z3) = 0
-7 + -7x3 + 2z + (-3 * -1 + -1z * -1 + 2z3 * -1) = 0
-7 + -7x3 + 2z + (3 + 1z + -2z3) = 0

Reorder the terms:
-7 + 3 + -7x3 + 2z + 1z + -2z3 = 0

Combine like terms: -7 + 3 = -4
-4 + -7x3 + 2z + 1z + -2z3 = 0

Combine like terms: 2z + 1z = 3z
-4 + -7x3 + 3z + -2z3 = 0

Solving
-4 + -7x3 + 3z + -2z3 = 0

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + -7x3 + 3z + 4 + -2z3 = 0 + 4

Reorder the terms:
-4 + 4 + -7x3 + 3z + -2z3 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -7x3 + 3z + -2z3 = 0 + 4
-7x3 + 3z + -2z3 = 0 + 4

Combine like terms: 0 + 4 = 4
-7x3 + 3z + -2z3 = 4

Add '-3z' to each side of the equation.
-7x3 + 3z + -3z + -2z3 = 4 + -3z

Combine like terms: 3z + -3z = 0
-7x3 + 0 + -2z3 = 4 + -3z
-7x3 + -2z3 = 4 + -3z

Add '2z3' to each side of the equation.
-7x3 + -2z3 + 2z3 = 4 + -3z + 2z3

Combine like terms: -2z3 + 2z3 = 0
-7x3 + 0 = 4 + -3z + 2z3
-7x3 = 4 + -3z + 2z3

Divide each side by '-7'.
x3 = -0.5714285714 + 0.4285714286z + -0.2857142857z3

Simplifying
x3 = -0.5714285714 + 0.4285714286z + -0.2857142857z3

Reorder the terms:
0.5714285714 + x3 + -0.4285714286z + 0.2857142857z3 = -0.5714285714 + 0.4285714286z + -0.2857142857z3 + 0.5714285714 + -0.4285714286z + 0.2857142857z3

Reorder the terms:
0.5714285714 + x3 + -0.4285714286z + 0.2857142857z3 = -0.5714285714 + 0.5714285714 + 0.4285714286z + -0.4285714286z + -0.2857142857z3 + 0.2857142857z3

Combine like terms: -0.5714285714 + 0.5714285714 = 0.0000000000
0.5714285714 + x3 + -0.4285714286z + 0.2857142857z3 = 0.0000000000 + 0.4285714286z + -0.4285714286z + -0.2857142857z3 + 0.2857142857z3
0.5714285714 + x3 + -0.4285714286z + 0.2857142857z3 = 0.4285714286z + -0.4285714286z + -0.2857142857z3 + 0.2857142857z3

Combine like terms: 0.4285714286z + -0.4285714286z = 0.0000000000
0.5714285714 + x3 + -0.4285714286z + 0.2857142857z3 = 0.0000000000 + -0.2857142857z3 + 0.2857142857z3
0.5714285714 + x3 + -0.4285714286z + 0.2857142857z3 = -0.2857142857z3 + 0.2857142857z3

Combine like terms: -0.2857142857z3 + 0.2857142857z3 = 0.0000000000
0.5714285714 + x3 + -0.4285714286z + 0.2857142857z3 = 0.0000000000

The solution to this equation could not be determined.

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