5a+b=21

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Solution for 5a+b=21 equation:


Simplifying
5a + b = 21

Solving
5a + b = 21

Solving for variable 'a'.

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

Add '-1b' to each side of the equation.
5a + b + -1b = 21 + -1b

Combine like terms: b + -1b = 0
5a + 0 = 21 + -1b
5a = 21 + -1b

Divide each side by '5'.
a = 4.2 + -0.2b

Simplifying
a = 4.2 + -0.2b

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