97+90+113+123+x=720

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Solution for 97+90+113+123+x=720 equation: 


Simplifying
97 + 90 + 113 + 123 + x = 720

Combine like terms: 97 + 90 = 187
187 + 113 + 123 + x = 720

Combine like terms: 187 + 113 = 300
300 + 123 + x = 720

Combine like terms: 300 + 123 = 423
423 + x = 720

Solving
423 + x = 720

Solving for variable 'x'.

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

Add '-423' to each side of the equation.
423 + -423 + x = 720 + -423

Combine like terms: 423 + -423 = 0
0 + x = 720 + -423
x = 720 + -423

Combine like terms: 720 + -423 = 297
x = 297

Simplifying
x = 297

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