0.5(200-x)=120

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Solution for 0.5(200-x)=120 equation:


Simplifying
0.5(200 + -1x) = 120
(200 * 0.5 + -1x * 0.5) = 120
(100 + -0.5x) = 120

Solving
100 + -0.5x = 120

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + -100 + -0.5x = 120 + -100

Combine like terms: 100 + -100 = 0
0 + -0.5x = 120 + -100
-0.5x = 120 + -100

Combine like terms: 120 + -100 = 20
-0.5x = 20

Divide each side by '-0.5'.
x = -40

Simplifying
x = -40

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