a+3=x^2-7x-39

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Solution for a+3=x^2-7x-39 equation:


Simplifying
a + 3 = x2 + -7x + -39

Reorder the terms:
3 + a = x2 + -7x + -39

Reorder the terms:
3 + a = -39 + -7x + x2

Solving
3 + a = -39 + -7x + x2

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + a = -39 + -7x + -3 + x2

Combine like terms: 3 + -3 = 0
0 + a = -39 + -7x + -3 + x2
a = -39 + -7x + -3 + x2

Reorder the terms:
a = -39 + -3 + -7x + x2

Combine like terms: -39 + -3 = -42
a = -42 + -7x + x2

Simplifying
a = -42 + -7x + x2

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