0.456=-0.3(7x-31.2)

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Solution for 0.456=-0.3(7x-31.2) equation: 


Simplifying
0.456 = -0.3(7x + -31.2)

Reorder the terms:
0.456 = -0.3(-31.2 + 7x)
0.456 = (-31.2 * -0.3 + 7x * -0.3)
0.456 = (9.36 + -2.1x)

Solving
0.456 = 9.36 + -2.1x

Solving for variable 'x'.

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

Add '2.1x' to each side of the equation.
0.456 + 2.1x = 9.36 + -2.1x + 2.1x

Combine like terms: -2.1x + 2.1x = 0.0
0.456 + 2.1x = 9.36 + 0.0
0.456 + 2.1x = 9.36

Add '-0.456' to each side of the equation.
0.456 + -0.456 + 2.1x = 9.36 + -0.456

Combine like terms: 0.456 + -0.456 = 0.000
0.000 + 2.1x = 9.36 + -0.456
2.1x = 9.36 + -0.456

Combine like terms: 9.36 + -0.456 = 8.904
2.1x = 8.904

Divide each side by '2.1'.
x = 4.24

Simplifying
x = 4.24

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