5a+2b=2b-21

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Solution for 5a+2b=2b-21 equation: 


Simplifying
5a + 2b = 2b + -21

Reorder the terms:
5a + 2b = -21 + 2b

Add '-2b' to each side of the equation.
5a + 2b + -2b = -21 + 2b + -2b

Combine like terms: 2b + -2b = 0
5a + 0 = -21 + 2b + -2b
5a = -21 + 2b + -2b

Combine like terms: 2b + -2b = 0
5a = -21 + 0
5a = -21

Solving
5a = -21

Solving for variable 'a'.

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

Divide each side by '5'.
a = -4.2

Simplifying
a = -4.2

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