4.2x+5=12(2.5-3x)

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Solution for 4.2x+5=12(2.5-3x) equation:


Simplifying
4.2x + 5 = 12(2.5 + -3x)

Reorder the terms:
5 + 4.2x = 12(2.5 + -3x)
5 + 4.2x = (2.5 * 12 + -3x * 12)
5 + 4.2x = (30 + -36x)

Solving
5 + 4.2x = 30 + -36x

Solving for variable 'x'.

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

Add '36x' to each side of the equation.
5 + 4.2x + 36x = 30 + -36x + 36x

Combine like terms: 4.2x + 36x = 40.2x
5 + 40.2x = 30 + -36x + 36x

Combine like terms: -36x + 36x = 0
5 + 40.2x = 30 + 0
5 + 40.2x = 30

Add '-5' to each side of the equation.
5 + -5 + 40.2x = 30 + -5

Combine like terms: 5 + -5 = 0
0 + 40.2x = 30 + -5
40.2x = 30 + -5

Combine like terms: 30 + -5 = 25
40.2x = 25

Divide each side by '40.2'.
x = 0.6218905473

Simplifying
x = 0.6218905473

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