5a-2a+3-12+7a=

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Solution for 5a-2a+3-12+7a= equation:


Simplifying
5a + -2a + 3 + -12 + 7a = 0

Reorder the terms:
3 + -12 + 5a + -2a + 7a = 0

Combine like terms: 3 + -12 = -9
-9 + 5a + -2a + 7a = 0

Combine like terms: 5a + -2a = 3a
-9 + 3a + 7a = 0

Combine like terms: 3a + 7a = 10a
-9 + 10a = 0

Solving
-9 + 10a = 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 + 10a = 0 + 9

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

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

Divide each side by '10'.
a = 0.9

Simplifying
a = 0.9

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