5a+7=6a-9

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Solution for 5a+7=6a-9 equation:


Simplifying
5a + 7 = 6a + -9

Reorder the terms:
7 + 5a = 6a + -9

Reorder the terms:
7 + 5a = -9 + 6a

Solving
7 + 5a = -9 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
7 + 5a + -6a = -9 + 6a + -6a

Combine like terms: 5a + -6a = -1a
7 + -1a = -9 + 6a + -6a

Combine like terms: 6a + -6a = 0
7 + -1a = -9 + 0
7 + -1a = -9

Add '-7' to each side of the equation.
7 + -7 + -1a = -9 + -7

Combine like terms: 7 + -7 = 0
0 + -1a = -9 + -7
-1a = -9 + -7

Combine like terms: -9 + -7 = -16
-1a = -16

Divide each side by '-1'.
a = 16

Simplifying
a = 16

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