0.9x+20=0.5(x+50)

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Solution for 0.9x+20=0.5(x+50) equation: 


Simplifying
0.9x + 20 = 0.5(x + 50)

Reorder the terms:
20 + 0.9x = 0.5(x + 50)

Reorder the terms:
20 + 0.9x = 0.5(50 + x)
20 + 0.9x = (50 * 0.5 + x * 0.5)
20 + 0.9x = (25 + 0.5x)

Solving
20 + 0.9x = 25 + 0.5x

Solving for variable 'x'.

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

Add '-0.5x' to each side of the equation.
20 + 0.9x + -0.5x = 25 + 0.5x + -0.5x

Combine like terms: 0.9x + -0.5x = 0.4x
20 + 0.4x = 25 + 0.5x + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
20 + 0.4x = 25 + 0.0
20 + 0.4x = 25

Add '-20' to each side of the equation.
20 + -20 + 0.4x = 25 + -20

Combine like terms: 20 + -20 = 0
0 + 0.4x = 25 + -20
0.4x = 25 + -20

Combine like terms: 25 + -20 = 5
0.4x = 5

Divide each side by '0.4'.
x = 12.5

Simplifying
x = 12.5

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