16a-15=9a+13

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Solution for 16a-15=9a+13 equation:


Simplifying
16a + -15 = 9a + 13

Reorder the terms:
-15 + 16a = 9a + 13

Reorder the terms:
-15 + 16a = 13 + 9a

Solving
-15 + 16a = 13 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-15 + 16a + -9a = 13 + 9a + -9a

Combine like terms: 16a + -9a = 7a
-15 + 7a = 13 + 9a + -9a

Combine like terms: 9a + -9a = 0
-15 + 7a = 13 + 0
-15 + 7a = 13

Add '15' to each side of the equation.
-15 + 15 + 7a = 13 + 15

Combine like terms: -15 + 15 = 0
0 + 7a = 13 + 15
7a = 13 + 15

Combine like terms: 13 + 15 = 28
7a = 28

Divide each side by '7'.
a = 4

Simplifying
a = 4

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