.6x-.4(40+x)=.4(40)

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Solution for .6x-.4(40+x)=.4(40) equation:


Simplifying
0.6x + -0.4(40 + x) = 0.4(40)
0.6x + (40 * -0.4 + x * -0.4) = 0.4(40)
0.6x + (-16 + -0.4x) = 0.4(40)

Reorder the terms:
-16 + 0.6x + -0.4x = 0.4(40)

Combine like terms: 0.6x + -0.4x = 0.2x
-16 + 0.2x = 0.4(40)

Multiply 0.4 * 40
-16 + 0.2x = 16

Solving
-16 + 0.2x = 16

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 0.2x = 16 + 16

Combine like terms: -16 + 16 = 0
0 + 0.2x = 16 + 16
0.2x = 16 + 16

Combine like terms: 16 + 16 = 32
0.2x = 32

Divide each side by '0.2'.
x = 160

Simplifying
x = 160

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