2.1x-2(1.3x-4)=.2(x-3)

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Solution for 2.1x-2(1.3x-4)=.2(x-3) equation:


Simplifying
2.1x + -2(1.3x + -4) = 0.2(x + -3)

Reorder the terms:
2.1x + -2(-4 + 1.3x) = 0.2(x + -3)
2.1x + (-4 * -2 + 1.3x * -2) = 0.2(x + -3)
2.1x + (8 + -2.6x) = 0.2(x + -3)

Reorder the terms:
8 + 2.1x + -2.6x = 0.2(x + -3)

Combine like terms: 2.1x + -2.6x = -0.5x
8 + -0.5x = 0.2(x + -3)

Reorder the terms:
8 + -0.5x = 0.2(-3 + x)
8 + -0.5x = (-3 * 0.2 + x * 0.2)
8 + -0.5x = (-0.6 + 0.2x)

Solving
8 + -0.5x = -0.6 + 0.2x

Solving for variable 'x'.

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

Add '-0.2x' to each side of the equation.
8 + -0.5x + -0.2x = -0.6 + 0.2x + -0.2x

Combine like terms: -0.5x + -0.2x = -0.7x
8 + -0.7x = -0.6 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
8 + -0.7x = -0.6 + 0.0
8 + -0.7x = -0.6

Add '-8' to each side of the equation.
8 + -8 + -0.7x = -0.6 + -8

Combine like terms: 8 + -8 = 0
0 + -0.7x = -0.6 + -8
-0.7x = -0.6 + -8

Combine like terms: -0.6 + -8 = -8.6
-0.7x = -8.6

Divide each side by '-0.7'.
x = 12.28571429

Simplifying
x = 12.28571429

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