3(2a-7)=-39

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Solution for 3(2a-7)=-39 equation:


Simplifying
3(2a + -7) = -39

Reorder the terms:
3(-7 + 2a) = -39
(-7 * 3 + 2a * 3) = -39
(-21 + 6a) = -39

Solving
-21 + 6a = -39

Solving for variable 'a'.

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

Add '21' to each side of the equation.
-21 + 21 + 6a = -39 + 21

Combine like terms: -21 + 21 = 0
0 + 6a = -39 + 21
6a = -39 + 21

Combine like terms: -39 + 21 = -18
6a = -18

Divide each side by '6'.
a = -3

Simplifying
a = -3

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