-21=9a-15-38

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Solution for -21=9a-15-38 equation:


Simplifying
-21 = 9a + -15 + -38

Reorder the terms:
-21 = -15 + -38 + 9a

Combine like terms: -15 + -38 = -53
-21 = -53 + 9a

Solving
-21 = -53 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-21 + -9a = -53 + 9a + -9a

Combine like terms: 9a + -9a = 0
-21 + -9a = -53 + 0
-21 + -9a = -53

Add '21' to each side of the equation.
-21 + 21 + -9a = -53 + 21

Combine like terms: -21 + 21 = 0
0 + -9a = -53 + 21
-9a = -53 + 21

Combine like terms: -53 + 21 = -32
-9a = -32

Divide each side by '-9'.
a = 3.555555556

Simplifying
a = 3.555555556

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