3(13-2a)=-3a+a

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Solution for 3(13-2a)=-3a+a equation:


Simplifying
3(13 + -2a) = -3a + a
(13 * 3 + -2a * 3) = -3a + a
(39 + -6a) = -3a + a

Combine like terms: -3a + a = -2a
39 + -6a = -2a

Solving
39 + -6a = -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
39 + -6a + 2a = -2a + 2a

Combine like terms: -6a + 2a = -4a
39 + -4a = -2a + 2a

Combine like terms: -2a + 2a = 0
39 + -4a = 0

Add '-39' to each side of the equation.
39 + -39 + -4a = 0 + -39

Combine like terms: 39 + -39 = 0
0 + -4a = 0 + -39
-4a = 0 + -39

Combine like terms: 0 + -39 = -39
-4a = -39

Divide each side by '-4'.
a = 9.75

Simplifying
a = 9.75

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