680=400x+20

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Solution for 680=400x+20 equation:


Simplifying
680 = 400x + 20

Reorder the terms:
680 = 20 + 400x

Solving
680 = 20 + 400x

Solving for variable 'x'.

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

Add '-400x' to each side of the equation.
680 + -400x = 20 + 400x + -400x

Combine like terms: 400x + -400x = 0
680 + -400x = 20 + 0
680 + -400x = 20

Add '-680' to each side of the equation.
680 + -680 + -400x = 20 + -680

Combine like terms: 680 + -680 = 0
0 + -400x = 20 + -680
-400x = 20 + -680

Combine like terms: 20 + -680 = -660
-400x = -660

Divide each side by '-400'.
x = 1.65

Simplifying
x = 1.65

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