3(.3x+.4)-.2=.2(2x+.25)

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Solution for 3(.3x+.4)-.2=.2(2x+.25) equation:


Simplifying
3(0.3x + 0.4) + -0.2 = 0.2(2x + 0.25)

Reorder the terms:
3(0.4 + 0.3x) + -0.2 = 0.2(2x + 0.25)
(0.4 * 3 + 0.3x * 3) + -0.2 = 0.2(2x + 0.25)
(1.2 + 0.9x) + -0.2 = 0.2(2x + 0.25)

Reorder the terms:
1.2 + -0.2 + 0.9x = 0.2(2x + 0.25)

Combine like terms: 1.2 + -0.2 = 1
1 + 0.9x = 0.2(2x + 0.25)

Reorder the terms:
1 + 0.9x = 0.2(0.25 + 2x)
1 + 0.9x = (0.25 * 0.2 + 2x * 0.2)
1 + 0.9x = (0.05 + 0.4x)

Solving
1 + 0.9x = 0.05 + 0.4x

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.
1 + 0.9x + -0.4x = 0.05 + 0.4x + -0.4x

Combine like terms: 0.9x + -0.4x = 0.5x
1 + 0.5x = 0.05 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
1 + 0.5x = 0.05 + 0.0
1 + 0.5x = 0.05

Add '-1' to each side of the equation.
1 + -1 + 0.5x = 0.05 + -1

Combine like terms: 1 + -1 = 0
0 + 0.5x = 0.05 + -1
0.5x = 0.05 + -1

Combine like terms: 0.05 + -1 = -0.95
0.5x = -0.95

Divide each side by '0.5'.
x = -1.9

Simplifying
x = -1.9

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