3x+99=400

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Solution for 3x+99=400 equation: 


Simplifying
3x + 99 = 400

Reorder the terms:
99 + 3x = 400

Solving
99 + 3x = 400

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 + 3x = 400 + -99

Combine like terms: 99 + -99 = 0
0 + 3x = 400 + -99
3x = 400 + -99

Combine like terms: 400 + -99 = 301
3x = 301

Divide each side by '3'.
x = 100.3333333

Simplifying
x = 100.3333333

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