7a-4=6a+9

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Solution for 7a-4=6a+9 equation:


Simplifying
7a + -4 = 6a + 9

Reorder the terms:
-4 + 7a = 6a + 9

Reorder the terms:
-4 + 7a = 9 + 6a

Solving
-4 + 7a = 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.
-4 + 7a + -6a = 9 + 6a + -6a

Combine like terms: 7a + -6a = 1a
-4 + 1a = 9 + 6a + -6a

Combine like terms: 6a + -6a = 0
-4 + 1a = 9 + 0
-4 + 1a = 9

Add '4' to each side of the equation.
-4 + 4 + 1a = 9 + 4

Combine like terms: -4 + 4 = 0
0 + 1a = 9 + 4
1a = 9 + 4

Combine like terms: 9 + 4 = 13
1a = 13

Divide each side by '1'.
a = 13

Simplifying
a = 13

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