0.42x+0.66(120-x)=0.62(120)

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Solution for 0.42x+0.66(120-x)=0.62(120) equation: 


Simplifying
0.42x + 0.66(120 + -1x) = 0.62(120)
0.42x + (120 * 0.66 + -1x * 0.66) = 0.62(120)
0.42x + (79.2 + -0.66x) = 0.62(120)

Reorder the terms:
79.2 + 0.42x + -0.66x = 0.62(120)

Combine like terms: 0.42x + -0.66x = -0.24x
79.2 + -0.24x = 0.62(120)

Multiply 0.62 * 120
79.2 + -0.24x = 74.4

Solving
79.2 + -0.24x = 74.4

Solving for variable 'x'.

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

Add '-79.2' to each side of the equation.
79.2 + -79.2 + -0.24x = 74.4 + -79.2

Combine like terms: 79.2 + -79.2 = 0.0
0.0 + -0.24x = 74.4 + -79.2
-0.24x = 74.4 + -79.2

Combine like terms: 74.4 + -79.2 = -4.8
-0.24x = -4.8

Divide each side by '-0.24'.
x = 20

Simplifying
x = 20

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