3=((7x-40)-40)

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Solution for 3=((7x-40)-40) equation:


Simplifying
3 = ((7x + -40) + -40)

Reorder the terms:
3 = ((-40 + 7x) + -40)

Remove parenthesis around (-40 + 7x)
3 = (-40 + 7x + -40)

Reorder the terms:
3 = (-40 + -40 + 7x)

Combine like terms: -40 + -40 = -80
3 = (-80 + 7x)

Remove parenthesis around (-80 + 7x)
3 = -80 + 7x

Solving
3 = -80 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
3 + -7x = -80 + 7x + -7x

Combine like terms: 7x + -7x = 0
3 + -7x = -80 + 0
3 + -7x = -80

Add '-3' to each side of the equation.
3 + -3 + -7x = -80 + -3

Combine like terms: 3 + -3 = 0
0 + -7x = -80 + -3
-7x = -80 + -3

Combine like terms: -80 + -3 = -83
-7x = -83

Divide each side by '-7'.
x = 11.85714286

Simplifying
x = 11.85714286

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