10+3a=9-2a

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


Simplifying
10 + 3a = 9 + -2a

Solving
10 + 3a = 9 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
10 + 3a + 2a = 9 + -2a + 2a

Combine like terms: 3a + 2a = 5a
10 + 5a = 9 + -2a + 2a

Combine like terms: -2a + 2a = 0
10 + 5a = 9 + 0
10 + 5a = 9

Add '-10' to each side of the equation.
10 + -10 + 5a = 9 + -10

Combine like terms: 10 + -10 = 0
0 + 5a = 9 + -10
5a = 9 + -10

Combine like terms: 9 + -10 = -1
5a = -1

Divide each side by '5'.
a = -0.2

Simplifying
a = -0.2

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