a+64=3a-40

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Solution for a+64=3a-40 equation:


Simplifying
a + 64 = 3a + -40

Reorder the terms:
64 + a = 3a + -40

Reorder the terms:
64 + a = -40 + 3a

Solving
64 + a = -40 + 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.
64 + a + -3a = -40 + 3a + -3a

Combine like terms: a + -3a = -2a
64 + -2a = -40 + 3a + -3a

Combine like terms: 3a + -3a = 0
64 + -2a = -40 + 0
64 + -2a = -40

Add '-64' to each side of the equation.
64 + -64 + -2a = -40 + -64

Combine like terms: 64 + -64 = 0
0 + -2a = -40 + -64
-2a = -40 + -64

Combine like terms: -40 + -64 = -104
-2a = -104

Divide each side by '-2'.
a = 52

Simplifying
a = 52

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