45=3a+9-2a

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Solution for 45=3a+9-2a equation:


Simplifying
45 = 3a + 9 + -2a

Reorder the terms:
45 = 9 + 3a + -2a

Combine like terms: 3a + -2a = 1a
45 = 9 + 1a

Solving
45 = 9 + 1a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
45 + -1a = 9 + 1a + -1a

Combine like terms: 1a + -1a = 0
45 + -1a = 9 + 0
45 + -1a = 9

Add '-45' to each side of the equation.
45 + -45 + -1a = 9 + -45

Combine like terms: 45 + -45 = 0
0 + -1a = 9 + -45
-1a = 9 + -45

Combine like terms: 9 + -45 = -36
-1a = -36

Divide each side by '-1'.
a = 36

Simplifying
a = 36

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