.51(30)=.60x+.40(30-X)

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Solution for .51(30)=.60x+.40(30-X) equation:


Simplifying
0.51(30) = 0.60x + 0.40(30 + -1X)

Multiply 0.51 * 30
15.3 = 0.60x + 0.40(30 + -1X)
15.3 = 0.60x + (30 * 0.40 + -1X * 0.40)
15.3 = 0.60x + (12 + -0.4X)

Reorder the terms:
15.3 = 12 + -0.4X + 0.60x

Solving
15.3 = 12 + -0.4X + 0.60x

Solving for variable 'X'.

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

Add '0.4X' to each side of the equation.
15.3 + 0.4X = 12 + -0.4X + 0.4X + 0.60x

Combine like terms: -0.4X + 0.4X = 0.0
15.3 + 0.4X = 12 + 0.0 + 0.60x
15.3 + 0.4X = 12 + 0.60x

Add '-15.3' to each side of the equation.
15.3 + -15.3 + 0.4X = 12 + -15.3 + 0.60x

Combine like terms: 15.3 + -15.3 = 0.0
0.0 + 0.4X = 12 + -15.3 + 0.60x
0.4X = 12 + -15.3 + 0.60x

Combine like terms: 12 + -15.3 = -3.3
0.4X = -3.3 + 0.60x

Divide each side by '0.4'.
X = -8.25 + 1.5x

Simplifying
X = -8.25 + 1.5x

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