.20x+.50(120)=.40(x+120)

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Solution for .20x+.50(120)=.40(x+120) equation:


Simplifying
0.20x + 0.50(120) = 0.40(x + 120)

Multiply 0.50 * 120
0.20x + 60 = 0.40(x + 120)

Reorder the terms:
60 + 0.20x = 0.40(x + 120)

Reorder the terms:
60 + 0.20x = 0.40(120 + x)
60 + 0.20x = (120 * 0.40 + x * 0.40)
60 + 0.20x = (48 + 0.40x)

Solving
60 + 0.20x = 48 + 0.40x

Solving for variable 'x'.

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

Add '-0.40x' to each side of the equation.
60 + 0.20x + -0.40x = 48 + 0.40x + -0.40x

Combine like terms: 0.20x + -0.40x = -0.2x
60 + -0.2x = 48 + 0.40x + -0.40x

Combine like terms: 0.40x + -0.40x = 0.00
60 + -0.2x = 48 + 0.00
60 + -0.2x = 48

Add '-60' to each side of the equation.
60 + -60 + -0.2x = 48 + -60

Combine like terms: 60 + -60 = 0
0 + -0.2x = 48 + -60
-0.2x = 48 + -60

Combine like terms: 48 + -60 = -12
-0.2x = -12

Divide each side by '-0.2'.
x = 60

Simplifying
x = 60

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