2a+16=a+20

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Solution for 2a+16=a+20 equation:


Simplifying
2a + 16 = a + 20

Reorder the terms:
16 + 2a = a + 20

Reorder the terms:
16 + 2a = 20 + a

Solving
16 + 2a = 20 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
16 + 2a + -1a = 20 + a + -1a

Combine like terms: 2a + -1a = 1a
16 + 1a = 20 + a + -1a

Combine like terms: a + -1a = 0
16 + 1a = 20 + 0
16 + 1a = 20

Add '-16' to each side of the equation.
16 + -16 + 1a = 20 + -16

Combine like terms: 16 + -16 = 0
0 + 1a = 20 + -16
1a = 20 + -16

Combine like terms: 20 + -16 = 4
1a = 4

Divide each side by '1'.
a = 4

Simplifying
a = 4

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