0.70x+0.20(100-x)=0.60(100)

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Solution for 0.70x+0.20(100-x)=0.60(100) equation:


Simplifying
0.70x + 0.20(100 + -1x) = 0.60(100)
0.70x + (100 * 0.20 + -1x * 0.20) = 0.60(100)
0.70x + (20 + -0.2x) = 0.60(100)

Reorder the terms:
20 + 0.70x + -0.2x = 0.60(100)

Combine like terms: 0.70x + -0.2x = 0.5x
20 + 0.5x = 0.60(100)

Multiply 0.60 * 100
20 + 0.5x = 60

Solving
20 + 0.5x = 60

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 0.5x = 60 + -20

Combine like terms: 20 + -20 = 0
0 + 0.5x = 60 + -20
0.5x = 60 + -20

Combine like terms: 60 + -20 = 40
0.5x = 40

Divide each side by '0.5'.
x = 80

Simplifying
x = 80

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