345-x=45

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Solution for 345-x=45 equation: 


Simplifying
345 + -1x = 45

Solving
345 + -1x = 45

Solving for variable 'x'.

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

Add '-345' to each side of the equation.
345 + -345 + -1x = 45 + -345

Combine like terms: 345 + -345 = 0
0 + -1x = 45 + -345
-1x = 45 + -345

Combine like terms: 45 + -345 = -300
-1x = -300

Divide each side by '-1'.
x = 300

Simplifying
x = 300

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