0.80X+0.70(20)=0.40(121)

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Solution for 0.80X+0.70(20)=0.40(121) equation: 


Simplifying
0.80X + 0.70(20) = 0.40(121)

Multiply 0.70 * 20
0.80X + 14 = 0.40(121)

Reorder the terms:
14 + 0.80X = 0.40(121)

Multiply 0.40 * 121
14 + 0.80X = 48.4

Solving
14 + 0.80X = 48.4

Solving for variable 'X'.

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

Add '-14' to each side of the equation.
14 + -14 + 0.80X = 48.4 + -14

Combine like terms: 14 + -14 = 0
0 + 0.80X = 48.4 + -14
0.80X = 48.4 + -14

Combine like terms: 48.4 + -14 = 34.4
0.80X = 34.4

Divide each side by '0.80'.
X = 43

Simplifying
X = 43

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