43-x-18=90

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Solution for 43-x-18=90 equation:


Simplifying
43 + -1x + -18 = 90

Reorder the terms:
43 + -18 + -1x = 90

Combine like terms: 43 + -18 = 25
25 + -1x = 90

Solving
25 + -1x = 90

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + -1x = 90 + -25

Combine like terms: 25 + -25 = 0
0 + -1x = 90 + -25
-1x = 90 + -25

Combine like terms: 90 + -25 = 65
-1x = 65

Divide each side by '-1'.
x = -65

Simplifying
x = -65

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