a+(a+4)(-4)=a-4

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Solution for a+(a+4)(-4)=a-4 equation:


Simplifying
a + (a + 4)(-4) = a + -4

Reorder the terms:
a + (4 + a)(-4) = a + -4

Reorder the terms for easier multiplication:
a + -4(4 + a) = a + -4
a + (4 * -4 + a * -4) = a + -4
a + (-16 + -4a) = a + -4

Reorder the terms:
-16 + a + -4a = a + -4

Combine like terms: a + -4a = -3a
-16 + -3a = a + -4

Reorder the terms:
-16 + -3a = -4 + a

Solving
-16 + -3a = -4 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-16 + -3a + -1a = -4 + a + -1a

Combine like terms: -3a + -1a = -4a
-16 + -4a = -4 + a + -1a

Combine like terms: a + -1a = 0
-16 + -4a = -4 + 0
-16 + -4a = -4

Add '16' to each side of the equation.
-16 + 16 + -4a = -4 + 16

Combine like terms: -16 + 16 = 0
0 + -4a = -4 + 16
-4a = -4 + 16

Combine like terms: -4 + 16 = 12
-4a = 12

Divide each side by '-4'.
a = -3

Simplifying
a = -3

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