7a+2a=3a-2

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


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

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

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

Solving
9a = -2 + 3a

Solving for variable 'a'.

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

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

Combine like terms: 9a + -3a = 6a
6a = -2 + 3a + -3a

Combine like terms: 3a + -3a = 0
6a = -2 + 0
6a = -2

Divide each side by '6'.
a = -0.3333333333

Simplifying
a = -0.3333333333

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