400+20(h-40)=680

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Solution for 400+20(h-40)=680 equation:


Simplifying
400 + 20(h + -40) = 680

Reorder the terms:
400 + 20(-40 + h) = 680
400 + (-40 * 20 + h * 20) = 680
400 + (-800 + 20h) = 680

Combine like terms: 400 + -800 = -400
-400 + 20h = 680

Solving
-400 + 20h = 680

Solving for variable 'h'.

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

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

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

Combine like terms: 680 + 400 = 1080
20h = 1080

Divide each side by '20'.
h = 54

Simplifying
h = 54

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