39=11-7a

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Solution for 39=11-7a equation:


Simplifying
39 = 11 + -7a

Solving
39 = 11 + -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
39 + 7a = 11 + -7a + 7a

Combine like terms: -7a + 7a = 0
39 + 7a = 11 + 0
39 + 7a = 11

Add '-39' to each side of the equation.
39 + -39 + 7a = 11 + -39

Combine like terms: 39 + -39 = 0
0 + 7a = 11 + -39
7a = 11 + -39

Combine like terms: 11 + -39 = -28
7a = -28

Divide each side by '7'.
a = -4

Simplifying
a = -4

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