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

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


Simplifying
39 + -7a = -1(3a + -3)

Reorder the terms:
39 + -7a = -1(-3 + 3a)
39 + -7a = (-3 * -1 + 3a * -1)
39 + -7a = (3 + -3a)

Solving
39 + -7a = 3 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
39 + -7a + 3a = 3 + -3a + 3a

Combine like terms: -7a + 3a = -4a
39 + -4a = 3 + -3a + 3a

Combine like terms: -3a + 3a = 0
39 + -4a = 3 + 0
39 + -4a = 3

Add '-39' to each side of the equation.
39 + -39 + -4a = 3 + -39

Combine like terms: 39 + -39 = 0
0 + -4a = 3 + -39
-4a = 3 + -39

Combine like terms: 3 + -39 = -36
-4a = -36

Divide each side by '-4'.
a = 9

Simplifying
a = 9

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