3x+140=400

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Solution for 3x+140=400 equation: 


Simplifying
3x + 140 = 400

Reorder the terms:
140 + 3x = 400

Solving
140 + 3x = 400

Solving for variable 'x'.

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

Add '-140' to each side of the equation.
140 + -140 + 3x = 400 + -140

Combine like terms: 140 + -140 = 0
0 + 3x = 400 + -140
3x = 400 + -140

Combine like terms: 400 + -140 = 260
3x = 260

Divide each side by '3'.
x = 86.66666667

Simplifying
x = 86.66666667

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