45-A=18

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Solution for 45-A=18 equation: 


Simplifying
45 + -1A = 18

Solving
45 + -1A = 18

Solving for variable 'A'.

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

Add '-45' to each side of the equation.
45 + -45 + -1A = 18 + -45

Combine like terms: 45 + -45 = 0
0 + -1A = 18 + -45
-1A = 18 + -45

Combine like terms: 18 + -45 = -27
-1A = -27

Divide each side by '-1'.
A = 27

Simplifying
A = 27

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