29-x+7-x=90

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Solution for 29-x+7-x=90 equation:


Simplifying
29 + -1x + 7 + -1x = 90

Reorder the terms:
29 + 7 + -1x + -1x = 90

Combine like terms: 29 + 7 = 36
36 + -1x + -1x = 90

Combine like terms: -1x + -1x = -2x
36 + -2x = 90

Solving
36 + -2x = 90

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + -2x = 90 + -36

Combine like terms: 36 + -36 = 0
0 + -2x = 90 + -36
-2x = 90 + -36

Combine like terms: 90 + -36 = 54
-2x = 54

Divide each side by '-2'.
x = -27

Simplifying
x = -27

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