.40x+.80(100)=.60(100+x)

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Solution for .40x+.80(100)=.60(100+x) equation:


Simplifying
0.40x + 0.80(100) = 0.60(100 + x)

Multiply 0.80 * 100
0.40x + 80 = 0.60(100 + x)

Reorder the terms:
80 + 0.40x = 0.60(100 + x)
80 + 0.40x = (100 * 0.60 + x * 0.60)
80 + 0.40x = (60 + 0.60x)

Solving
80 + 0.40x = 60 + 0.60x

Solving for variable 'x'.

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

Add '-0.60x' to each side of the equation.
80 + 0.40x + -0.60x = 60 + 0.60x + -0.60x

Combine like terms: 0.40x + -0.60x = -0.2x
80 + -0.2x = 60 + 0.60x + -0.60x

Combine like terms: 0.60x + -0.60x = 0.00
80 + -0.2x = 60 + 0.00
80 + -0.2x = 60

Add '-80' to each side of the equation.
80 + -80 + -0.2x = 60 + -80

Combine like terms: 80 + -80 = 0
0 + -0.2x = 60 + -80
-0.2x = 60 + -80

Combine like terms: 60 + -80 = -20
-0.2x = -20

Divide each side by '-0.2'.
x = 100

Simplifying
x = 100

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