-90=-45a

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Solution for -90=-45a equation:


Simplifying
-90 = -45a

Solving
-90 = -45a

Solving for variable 'a'.

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

Add '45a' to each side of the equation.
-90 + 45a = -45a + 45a

Combine like terms: -45a + 45a = 0
-90 + 45a = 0

Add '90' to each side of the equation.
-90 + 90 + 45a = 0 + 90

Combine like terms: -90 + 90 = 0
0 + 45a = 0 + 90
45a = 0 + 90

Combine like terms: 0 + 90 = 90
45a = 90

Divide each side by '45'.
a = 2

Simplifying
a = 2

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