3a+5=9x-7a

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Solution for 3a+5=9x-7a equation:


Simplifying
3a + 5 = 9x + -7a

Reorder the terms:
5 + 3a = 9x + -7a

Reorder the terms:
5 + 3a = -7a + 9x

Solving
5 + 3a = -7a + 9x

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
5 + 3a + 7a = -7a + 7a + 9x

Combine like terms: 3a + 7a = 10a
5 + 10a = -7a + 7a + 9x

Combine like terms: -7a + 7a = 0
5 + 10a = 0 + 9x
5 + 10a = 9x

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

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

Divide each side by '10'.
a = -0.5 + 0.9x

Simplifying
a = -0.5 + 0.9x

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