0.40x+0.80(30)=0.20(82)

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Solution for 0.40x+0.80(30)=0.20(82) equation: 


Simplifying
0.40x + 0.80(30) = 0.20(82)

Multiply 0.80 * 30
0.40x + 24 = 0.20(82)

Reorder the terms:
24 + 0.40x = 0.20(82)

Multiply 0.20 * 82
24 + 0.40x = 16.4

Solving
24 + 0.40x = 16.4

Solving for variable 'x'.

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

Add '-24' to each side of the equation.
24 + -24 + 0.40x = 16.4 + -24

Combine like terms: 24 + -24 = 0
0 + 0.40x = 16.4 + -24
0.40x = 16.4 + -24

Combine like terms: 16.4 + -24 = -7.6
0.40x = -7.6

Divide each side by '0.40'.
x = -19

Simplifying
x = -19

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