45=10a-a

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Solution for 45=10a-a equation:


Simplifying
45 = 10a + -1a

Combine like terms: 10a + -1a = 9a
45 = 9a

Solving
45 = 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.
45 + -9a = 9a + -9a

Combine like terms: 9a + -9a = 0
45 + -9a = 0

Add '-45' to each side of the equation.
45 + -45 + -9a = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -9a = 0 + -45
-9a = 0 + -45

Combine like terms: 0 + -45 = -45
-9a = -45

Divide each side by '-9'.
a = 5

Simplifying
a = 5

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