-45-x=100

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Solution for -45-x=100 equation: 


Simplifying
-45 + -1x = 100

Solving
-45 + -1x = 100

Solving for variable 'x'.

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

Add '45' to each side of the equation.
-45 + 45 + -1x = 100 + 45

Combine like terms: -45 + 45 = 0
0 + -1x = 100 + 45
-1x = 100 + 45

Combine like terms: 100 + 45 = 145
-1x = 145

Divide each side by '-1'.
x = -145

Simplifying
x = -145

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