3+3(7-a)=-3(8a+6)+7a

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Solution for 3+3(7-a)=-3(8a+6)+7a equation:


Simplifying
3 + 3(7 + -1a) = -3(8a + 6) + 7a
3 + (7 * 3 + -1a * 3) = -3(8a + 6) + 7a
3 + (21 + -3a) = -3(8a + 6) + 7a

Combine like terms: 3 + 21 = 24
24 + -3a = -3(8a + 6) + 7a

Reorder the terms:
24 + -3a = -3(6 + 8a) + 7a
24 + -3a = (6 * -3 + 8a * -3) + 7a
24 + -3a = (-18 + -24a) + 7a

Combine like terms: -24a + 7a = -17a
24 + -3a = -18 + -17a

Solving
24 + -3a = -18 + -17a

Solving for variable 'a'.

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

Add '17a' to each side of the equation.
24 + -3a + 17a = -18 + -17a + 17a

Combine like terms: -3a + 17a = 14a
24 + 14a = -18 + -17a + 17a

Combine like terms: -17a + 17a = 0
24 + 14a = -18 + 0
24 + 14a = -18

Add '-24' to each side of the equation.
24 + -24 + 14a = -18 + -24

Combine like terms: 24 + -24 = 0
0 + 14a = -18 + -24
14a = -18 + -24

Combine like terms: -18 + -24 = -42
14a = -42

Divide each side by '14'.
a = -3

Simplifying
a = -3

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