0.1(80)+0.2(55)+0.3(33.125)+0.4x=50

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Solution for 0.1(80)+0.2(55)+0.3(33.125)+0.4x=50 equation: 


Simplifying
0.1(80) + 0.2(55) + 0.3(33.125) + 0.4x = 50

Multiply 0.1 * 80
8 + 0.2(55) + 0.3(33.125) + 0.4x = 50

Multiply 0.2 * 55
8 + 11 + 0.3(33.125) + 0.4x = 50

Multiply 0.3 * 33.125
8 + 11 + 9.9375 + 0.4x = 50

Combine like terms: 8 + 11 = 19
19 + 9.9375 + 0.4x = 50

Combine like terms: 19 + 9.9375 = 28.9375
28.9375 + 0.4x = 50

Solving
28.9375 + 0.4x = 50

Solving for variable 'x'.

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

Add '-28.9375' to each side of the equation.
28.9375 + -28.9375 + 0.4x = 50 + -28.9375

Combine like terms: 28.9375 + -28.9375 = 0.0000
0.0000 + 0.4x = 50 + -28.9375
0.4x = 50 + -28.9375

Combine like terms: 50 + -28.9375 = 21.0625
0.4x = 21.0625

Divide each side by '0.4'.
x = 52.65625

Simplifying
x = 52.65625

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