.4x+3=.2(.3x+1)-x

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Solution for .4x+3=.2(.3x+1)-x equation:


Simplifying
0.4x + 3 = 0.2(0.3x + 1) + -1x

Reorder the terms:
3 + 0.4x = 0.2(0.3x + 1) + -1x

Reorder the terms:
3 + 0.4x = 0.2(1 + 0.3x) + -1x
3 + 0.4x = (1 * 0.2 + 0.3x * 0.2) + -1x
3 + 0.4x = (0.2 + 0.06x) + -1x

Combine like terms: 0.06x + -1x = -0.94x
3 + 0.4x = 0.2 + -0.94x

Solving
3 + 0.4x = 0.2 + -0.94x

Solving for variable 'x'.

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

Add '0.94x' to each side of the equation.
3 + 0.4x + 0.94x = 0.2 + -0.94x + 0.94x

Combine like terms: 0.4x + 0.94x = 1.34x
3 + 1.34x = 0.2 + -0.94x + 0.94x

Combine like terms: -0.94x + 0.94x = 0.00
3 + 1.34x = 0.2 + 0.00
3 + 1.34x = 0.2

Add '-3' to each side of the equation.
3 + -3 + 1.34x = 0.2 + -3

Combine like terms: 3 + -3 = 0
0 + 1.34x = 0.2 + -3
1.34x = 0.2 + -3

Combine like terms: 0.2 + -3 = -2.8
1.34x = -2.8

Divide each side by '1.34'.
x = -2.089552239

Simplifying
x = -2.089552239

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