6-4(a+7)=-(a+4)

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Solution for 6-4(a+7)=-(a+4) equation:


Simplifying
6 + -4(a + 7) = -1(a + 4)

Reorder the terms:
6 + -4(7 + a) = -1(a + 4)
6 + (7 * -4 + a * -4) = -1(a + 4)
6 + (-28 + -4a) = -1(a + 4)

Combine like terms: 6 + -28 = -22
-22 + -4a = -1(a + 4)

Reorder the terms:
-22 + -4a = -1(4 + a)
-22 + -4a = (4 * -1 + a * -1)
-22 + -4a = (-4 + -1a)

Solving
-22 + -4a = -4 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-22 + -4a + a = -4 + -1a + a

Combine like terms: -4a + a = -3a
-22 + -3a = -4 + -1a + a

Combine like terms: -1a + a = 0
-22 + -3a = -4 + 0
-22 + -3a = -4

Add '22' to each side of the equation.
-22 + 22 + -3a = -4 + 22

Combine like terms: -22 + 22 = 0
0 + -3a = -4 + 22
-3a = -4 + 22

Combine like terms: -4 + 22 = 18
-3a = 18

Divide each side by '-3'.
a = -6

Simplifying
a = -6

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