4a+8=6a-9

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Solution for 4a+8=6a-9 equation:


Simplifying
4a + 8 = 6a + -9

Reorder the terms:
8 + 4a = 6a + -9

Reorder the terms:
8 + 4a = -9 + 6a

Solving
8 + 4a = -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.
8 + 4a + -6a = -9 + 6a + -6a

Combine like terms: 4a + -6a = -2a
8 + -2a = -9 + 6a + -6a

Combine like terms: 6a + -6a = 0
8 + -2a = -9 + 0
8 + -2a = -9

Add '-8' to each side of the equation.
8 + -8 + -2a = -9 + -8

Combine like terms: 8 + -8 = 0
0 + -2a = -9 + -8
-2a = -9 + -8

Combine like terms: -9 + -8 = -17
-2a = -17

Divide each side by '-2'.
a = 8.5

Simplifying
a = 8.5

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