17-15a=39-4a

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Solution for 17-15a=39-4a equation:


Simplifying
17 + -15a = 39 + -4a

Solving
17 + -15a = 39 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
17 + -15a + 4a = 39 + -4a + 4a

Combine like terms: -15a + 4a = -11a
17 + -11a = 39 + -4a + 4a

Combine like terms: -4a + 4a = 0
17 + -11a = 39 + 0
17 + -11a = 39

Add '-17' to each side of the equation.
17 + -17 + -11a = 39 + -17

Combine like terms: 17 + -17 = 0
0 + -11a = 39 + -17
-11a = 39 + -17

Combine like terms: 39 + -17 = 22
-11a = 22

Divide each side by '-11'.
a = -2

Simplifying
a = -2

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