39-7a=-5(3a-3)

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Solution for 39-7a=-5(3a-3) equation:


Simplifying
39 + -7a = -5(3a + -3)

Reorder the terms:
39 + -7a = -5(-3 + 3a)
39 + -7a = (-3 * -5 + 3a * -5)
39 + -7a = (15 + -15a)

Solving
39 + -7a = 15 + -15a

Solving for variable 'a'.

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

Add '15a' to each side of the equation.
39 + -7a + 15a = 15 + -15a + 15a

Combine like terms: -7a + 15a = 8a
39 + 8a = 15 + -15a + 15a

Combine like terms: -15a + 15a = 0
39 + 8a = 15 + 0
39 + 8a = 15

Add '-39' to each side of the equation.
39 + -39 + 8a = 15 + -39

Combine like terms: 39 + -39 = 0
0 + 8a = 15 + -39
8a = 15 + -39

Combine like terms: 15 + -39 = -24
8a = -24

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

Simplifying
a = -3

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