21=a-4-10-8+14

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Solution for 21=a-4-10-8+14 equation: 


Simplifying
21 = a + -4 + -10 + -8 + 14

Reorder the terms:
21 = -4 + -10 + -8 + 14 + a

Combine like terms: -4 + -10 = -14
21 = -14 + -8 + 14 + a

Combine like terms: -14 + -8 = -22
21 = -22 + 14 + a

Combine like terms: -22 + 14 = -8
21 = -8 + a

Solving
21 = -8 + 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.
21 + -1a = -8 + a + -1a

Combine like terms: a + -1a = 0
21 + -1a = -8 + 0
21 + -1a = -8

Add '-21' to each side of the equation.
21 + -21 + -1a = -8 + -21

Combine like terms: 21 + -21 = 0
0 + -1a = -8 + -21
-1a = -8 + -21

Combine like terms: -8 + -21 = -29
-1a = -29

Divide each side by '-1'.
a = 29

Simplifying
a = 29

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