30+x+69=90

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Solution for 30+x+69=90 equation: 


Simplifying
30 + x + 69 = 90

Reorder the terms:
30 + 69 + x = 90

Combine like terms: 30 + 69 = 99
99 + x = 90

Solving
99 + x = 90

Solving for variable 'x'.

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

Add '-99' to each side of the equation.
99 + -99 + x = 90 + -99

Combine like terms: 99 + -99 = 0
0 + x = 90 + -99
x = 90 + -99

Combine like terms: 90 + -99 = -9
x = -9

Simplifying
x = -9

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