65=0.2(x-40)

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Solution for 65=0.2(x-40) equation:


Simplifying
65 = 0.2(x + -40)

Reorder the terms:
65 = 0.2(-40 + x)
65 = (-40 * 0.2 + x * 0.2)
65 = (-8 + 0.2x)

Solving
65 = -8 + 0.2x

Solving for variable 'x'.

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

Add '-0.2x' to each side of the equation.
65 + -0.2x = -8 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
65 + -0.2x = -8 + 0.0
65 + -0.2x = -8

Add '-65' to each side of the equation.
65 + -65 + -0.2x = -8 + -65

Combine like terms: 65 + -65 = 0
0 + -0.2x = -8 + -65
-0.2x = -8 + -65

Combine like terms: -8 + -65 = -73
-0.2x = -73

Divide each side by '-0.2'.
x = 365

Simplifying
x = 365

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