2a+10a-3a+9=

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Solution for 2a+10a-3a+9= equation:


Simplifying
2a + 10a + -3a + 9 = 0

Reorder the terms:
9 + 2a + 10a + -3a = 0

Combine like terms: 2a + 10a = 12a
9 + 12a + -3a = 0

Combine like terms: 12a + -3a = 9a
9 + 9a = 0

Solving
9 + 9a = 0

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + 9a = 0 + -9

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

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

Divide each side by '9'.
a = -1

Simplifying
a = -1

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