2.1(x+4)=1-3+0.1(x-11)

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Solution for 2.1(x+4)=1-3+0.1(x-11) equation:


Simplifying
2.1(x + 4) = 1 + -3 + 0.1(x + -11)

Reorder the terms:
2.1(4 + x) = 1 + -3 + 0.1(x + -11)
(4 * 2.1 + x * 2.1) = 1 + -3 + 0.1(x + -11)
(8.4 + 2.1x) = 1 + -3 + 0.1(x + -11)

Reorder the terms:
8.4 + 2.1x = 1 + -3 + 0.1(-11 + x)
8.4 + 2.1x = 1 + -3 + (-11 * 0.1 + x * 0.1)
8.4 + 2.1x = 1 + -3 + (-1.1 + 0.1x)

Combine like terms: 1 + -3 = -2
8.4 + 2.1x = -2 + -1.1 + 0.1x

Combine like terms: -2 + -1.1 = -3.1
8.4 + 2.1x = -3.1 + 0.1x

Solving
8.4 + 2.1x = -3.1 + 0.1x

Solving for variable 'x'.

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

Add '-0.1x' to each side of the equation.
8.4 + 2.1x + -0.1x = -3.1 + 0.1x + -0.1x

Combine like terms: 2.1x + -0.1x = 2x
8.4 + 2x = -3.1 + 0.1x + -0.1x

Combine like terms: 0.1x + -0.1x = 0.0
8.4 + 2x = -3.1 + 0.0
8.4 + 2x = -3.1

Add '-8.4' to each side of the equation.
8.4 + -8.4 + 2x = -3.1 + -8.4

Combine like terms: 8.4 + -8.4 = 0.0
0.0 + 2x = -3.1 + -8.4
2x = -3.1 + -8.4

Combine like terms: -3.1 + -8.4 = -11.5
2x = -11.5

Divide each side by '2'.
x = -5.75

Simplifying
x = -5.75

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