a+231*3=a*13-9

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Solution for a+231*3=a*13-9 equation:


Simplifying
a + 231 * 3 = a * 13 + -9

Multiply 231 * 3
a + 693 = a * 13 + -9

Reorder the terms:
693 + a = a * 13 + -9

Reorder the terms for easier multiplication:
693 + a = 13a + -9

Reorder the terms:
693 + a = -9 + 13a

Solving
693 + a = -9 + 13a

Solving for variable 'a'.

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

Add '-13a' to each side of the equation.
693 + a + -13a = -9 + 13a + -13a

Combine like terms: a + -13a = -12a
693 + -12a = -9 + 13a + -13a

Combine like terms: 13a + -13a = 0
693 + -12a = -9 + 0
693 + -12a = -9

Add '-693' to each side of the equation.
693 + -693 + -12a = -9 + -693

Combine like terms: 693 + -693 = 0
0 + -12a = -9 + -693
-12a = -9 + -693

Combine like terms: -9 + -693 = -702
-12a = -702

Divide each side by '-12'.
a = 58.5

Simplifying
a = 58.5

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