x(a+4)-9=y

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Solution for x(a+4)-9=y equation:


Simplifying
x(a + 4) + -9 = y

Reorder the terms:
x(4 + a) + -9 = y
(4 * x + a * x) + -9 = y

Reorder the terms:
(ax + 4x) + -9 = y
(ax + 4x) + -9 = y

Reorder the terms:
-9 + ax + 4x = y

Solving
-9 + ax + 4x = y

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + ax + 9 + 4x = 9 + y

Reorder the terms:
-9 + 9 + ax + 4x = 9 + y

Combine like terms: -9 + 9 = 0
0 + ax + 4x = 9 + y
ax + 4x = 9 + y

Add '-4x' to each side of the equation.
ax + 4x + -4x = 9 + -4x + y

Combine like terms: 4x + -4x = 0
ax + 0 = 9 + -4x + y
ax = 9 + -4x + y

Divide each side by 'x'.
a = 9x-1 + -4 + x-1y

Simplifying
a = 9x-1 + -4 + x-1y

Reorder the terms:
a = -4 + 9x-1 + x-1y

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