4(-3a-1)=-4(a+7)

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Solution for 4(-3a-1)=-4(a+7) equation:


Simplifying
4(-3a + -1) = -4(a + 7)

Reorder the terms:
4(-1 + -3a) = -4(a + 7)
(-1 * 4 + -3a * 4) = -4(a + 7)
(-4 + -12a) = -4(a + 7)

Reorder the terms:
-4 + -12a = -4(7 + a)
-4 + -12a = (7 * -4 + a * -4)
-4 + -12a = (-28 + -4a)

Solving
-4 + -12a = -28 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
-4 + -12a + 4a = -28 + -4a + 4a

Combine like terms: -12a + 4a = -8a
-4 + -8a = -28 + -4a + 4a

Combine like terms: -4a + 4a = 0
-4 + -8a = -28 + 0
-4 + -8a = -28

Add '4' to each side of the equation.
-4 + 4 + -8a = -28 + 4

Combine like terms: -4 + 4 = 0
0 + -8a = -28 + 4
-8a = -28 + 4

Combine like terms: -28 + 4 = -24
-8a = -24

Divide each side by '-8'.
a = 3

Simplifying
a = 3

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