7.9-5.9(x+2.1)=4-(x+6)

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Solution for 7.9-5.9(x+2.1)=4-(x+6) equation:


Simplifying
7.9 + -5.9(x + 2.1) = 4 + -1(x + 6)

Reorder the terms:
7.9 + -5.9(2.1 + x) = 4 + -1(x + 6)
7.9 + (2.1 * -5.9 + x * -5.9) = 4 + -1(x + 6)
7.9 + (-12.39 + -5.9x) = 4 + -1(x + 6)

Combine like terms: 7.9 + -12.39 = -4.49
-4.49 + -5.9x = 4 + -1(x + 6)

Reorder the terms:
-4.49 + -5.9x = 4 + -1(6 + x)
-4.49 + -5.9x = 4 + (6 * -1 + x * -1)
-4.49 + -5.9x = 4 + (-6 + -1x)

Combine like terms: 4 + -6 = -2
-4.49 + -5.9x = -2 + -1x

Solving
-4.49 + -5.9x = -2 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-4.49 + -5.9x + x = -2 + -1x + x

Combine like terms: -5.9x + x = -4.9x
-4.49 + -4.9x = -2 + -1x + x

Combine like terms: -1x + x = 0
-4.49 + -4.9x = -2 + 0
-4.49 + -4.9x = -2

Add '4.49' to each side of the equation.
-4.49 + 4.49 + -4.9x = -2 + 4.49

Combine like terms: -4.49 + 4.49 = 0.00
0.00 + -4.9x = -2 + 4.49
-4.9x = -2 + 4.49

Combine like terms: -2 + 4.49 = 2.49
-4.9x = 2.49

Divide each side by '-4.9'.
x = -0.5081632653

Simplifying
x = -0.5081632653

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