5a+21=-4

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Solution for 5a+21=-4 equation: 


Simplifying
5a + 21 = -4

Reorder the terms:
21 + 5a = -4

Solving
21 + 5a = -4

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + -21 + 5a = -4 + -21

Combine like terms: 21 + -21 = 0
0 + 5a = -4 + -21
5a = -4 + -21

Combine like terms: -4 + -21 = -25
5a = -25

Divide each side by '5'.
a = -5

Simplifying
a = -5

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