3a+2a+7a-5=

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


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

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

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

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

Solving
-5 + 12a = 0

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 12a = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 12a = 0 + 5
12a = 0 + 5

Combine like terms: 0 + 5 = 5
12a = 5

Divide each side by '12'.
a = 0.4166666667

Simplifying
a = 0.4166666667

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