-2a+9=6a+15

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Solution for -2a+9=6a+15 equation:


Simplifying
-2a + 9 = 6a + 15

Reorder the terms:
9 + -2a = 6a + 15

Reorder the terms:
9 + -2a = 15 + 6a

Solving
9 + -2a = 15 + 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.
9 + -2a + -6a = 15 + 6a + -6a

Combine like terms: -2a + -6a = -8a
9 + -8a = 15 + 6a + -6a

Combine like terms: 6a + -6a = 0
9 + -8a = 15 + 0
9 + -8a = 15

Add '-9' to each side of the equation.
9 + -9 + -8a = 15 + -9

Combine like terms: 9 + -9 = 0
0 + -8a = 15 + -9
-8a = 15 + -9

Combine like terms: 15 + -9 = 6
-8a = 6

Divide each side by '-8'.
a = -0.75

Simplifying
a = -0.75

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