83+85+90+x=90

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Solution for 83+85+90+x=90 equation:


Simplifying
83 + 85 + 90 + x = 90

Combine like terms: 83 + 85 = 168
168 + 90 + x = 90

Combine like terms: 168 + 90 = 258
258 + x = 90

Solving
258 + x = 90

Solving for variable 'x'.

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

Add '-258' to each side of the equation.
258 + -258 + x = 90 + -258

Combine like terms: 258 + -258 = 0
0 + x = 90 + -258
x = 90 + -258

Combine like terms: 90 + -258 = -168
x = -168

Simplifying
x = -168

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