-4(3+a)-6(1-a)=-8

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Solution for -4(3+a)-6(1-a)=-8 equation:


Simplifying
-4(3 + a) + -6(1 + -1a) = -8
(3 * -4 + a * -4) + -6(1 + -1a) = -8
(-12 + -4a) + -6(1 + -1a) = -8
-12 + -4a + (1 * -6 + -1a * -6) = -8
-12 + -4a + (-6 + 6a) = -8

Reorder the terms:
-12 + -6 + -4a + 6a = -8

Combine like terms: -12 + -6 = -18
-18 + -4a + 6a = -8

Combine like terms: -4a + 6a = 2a
-18 + 2a = -8

Solving
-18 + 2a = -8

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + 2a = -8 + 18

Combine like terms: -18 + 18 = 0
0 + 2a = -8 + 18
2a = -8 + 18

Combine like terms: -8 + 18 = 10
2a = 10

Divide each side by '2'.
a = 5

Simplifying
a = 5

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