r(z^2+7)-(z^2+7)=

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


Simplifying
r(z2 + 7) + -1(z2 + 7) = 0

Reorder the terms:
r(7 + z2) + -1(z2 + 7) = 0
(7 * r + z2 * r) + -1(z2 + 7) = 0
(7r + rz2) + -1(z2 + 7) = 0

Reorder the terms:
7r + rz2 + -1(7 + z2) = 0
7r + rz2 + (7 * -1 + z2 * -1) = 0
7r + rz2 + (-7 + -1z2) = 0

Reorder the terms:
-7 + 7r + rz2 + -1z2 = 0

Solving
-7 + 7r + rz2 + -1z2 = 0

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7r + rz2 + 7 + -1z2 = 0 + 7

Reorder the terms:
-7 + 7 + 7r + rz2 + -1z2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 7r + rz2 + -1z2 = 0 + 7
7r + rz2 + -1z2 = 0 + 7

Combine like terms: 0 + 7 = 7
7r + rz2 + -1z2 = 7

Add 'z2' to each side of the equation.
7r + rz2 + -1z2 + z2 = 7 + z2

Combine like terms: -1z2 + z2 = 0
7r + rz2 + 0 = 7 + z2
7r + rz2 = 7 + z2

Reorder the terms:
-7 + 7r + rz2 + -1z2 = 7 + z2 + -7 + -1z2

Reorder the terms:
-7 + 7r + rz2 + -1z2 = 7 + -7 + z2 + -1z2

Combine like terms: 7 + -7 = 0
-7 + 7r + rz2 + -1z2 = 0 + z2 + -1z2
-7 + 7r + rz2 + -1z2 = z2 + -1z2

Combine like terms: z2 + -1z2 = 0
-7 + 7r + rz2 + -1z2 = 0

The solution to this equation could not be determined.

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