21a+18=

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Solution for 21a+18= equation:


Simplifying
21a + 18 = 0

Reorder the terms:
18 + 21a = 0

Solving
18 + 21a = 0

Solving for variable 'a'.

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

Add '-18' to each side of the equation.
18 + -18 + 21a = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 21a = 0 + -18
21a = 0 + -18

Combine like terms: 0 + -18 = -18
21a = -18

Divide each side by '21'.
a = -0.8571428571

Simplifying
a = -0.8571428571

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