12.9x+2(3x-5)=3-2(x+7.2)

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Solution for 12.9x+2(3x-5)=3-2(x+7.2) equation:


Simplifying
12.9x + 2(3x + -5) = 3 + -2(x + 7.2)

Reorder the terms:
12.9x + 2(-5 + 3x) = 3 + -2(x + 7.2)
12.9x + (-5 * 2 + 3x * 2) = 3 + -2(x + 7.2)
12.9x + (-10 + 6x) = 3 + -2(x + 7.2)

Reorder the terms:
-10 + 12.9x + 6x = 3 + -2(x + 7.2)

Combine like terms: 12.9x + 6x = 18.9x
-10 + 18.9x = 3 + -2(x + 7.2)

Reorder the terms:
-10 + 18.9x = 3 + -2(7.2 + x)
-10 + 18.9x = 3 + (7.2 * -2 + x * -2)
-10 + 18.9x = 3 + (-14.4 + -2x)

Combine like terms: 3 + -14.4 = -11.4
-10 + 18.9x = -11.4 + -2x

Solving
-10 + 18.9x = -11.4 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-10 + 18.9x + 2x = -11.4 + -2x + 2x

Combine like terms: 18.9x + 2x = 20.9x
-10 + 20.9x = -11.4 + -2x + 2x

Combine like terms: -2x + 2x = 0
-10 + 20.9x = -11.4 + 0
-10 + 20.9x = -11.4

Add '10' to each side of the equation.
-10 + 10 + 20.9x = -11.4 + 10

Combine like terms: -10 + 10 = 0
0 + 20.9x = -11.4 + 10
20.9x = -11.4 + 10

Combine like terms: -11.4 + 10 = -1.4
20.9x = -1.4

Divide each side by '20.9'.
x = -0.06698564593

Simplifying
x = -0.06698564593

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