2a+81=14a-99

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Solution for 2a+81=14a-99 equation:


Simplifying
2a + 81 = 14a + -99

Reorder the terms:
81 + 2a = 14a + -99

Reorder the terms:
81 + 2a = -99 + 14a

Solving
81 + 2a = -99 + 14a

Solving for variable 'a'.

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

Add '-14a' to each side of the equation.
81 + 2a + -14a = -99 + 14a + -14a

Combine like terms: 2a + -14a = -12a
81 + -12a = -99 + 14a + -14a

Combine like terms: 14a + -14a = 0
81 + -12a = -99 + 0
81 + -12a = -99

Add '-81' to each side of the equation.
81 + -81 + -12a = -99 + -81

Combine like terms: 81 + -81 = 0
0 + -12a = -99 + -81
-12a = -99 + -81

Combine like terms: -99 + -81 = -180
-12a = -180

Divide each side by '-12'.
a = 15

Simplifying
a = 15

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