2.1(x+2)-3.1=-1.3(x+2)

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Solution for 2.1(x+2)-3.1=-1.3(x+2) equation: 


Simplifying
2.1(x + 2) + -3.1 = -1.3(x + 2)

Reorder the terms:
2.1(2 + x) + -3.1 = -1.3(x + 2)
(2 * 2.1 + x * 2.1) + -3.1 = -1.3(x + 2)
(4.2 + 2.1x) + -3.1 = -1.3(x + 2)

Reorder the terms:
4.2 + -3.1 + 2.1x = -1.3(x + 2)

Combine like terms: 4.2 + -3.1 = 1.1
1.1 + 2.1x = -1.3(x + 2)

Reorder the terms:
1.1 + 2.1x = -1.3(2 + x)
1.1 + 2.1x = (2 * -1.3 + x * -1.3)
1.1 + 2.1x = (-2.6 + -1.3x)

Solving
1.1 + 2.1x = -2.6 + -1.3x

Solving for variable 'x'.

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

Add '1.3x' to each side of the equation.
1.1 + 2.1x + 1.3x = -2.6 + -1.3x + 1.3x

Combine like terms: 2.1x + 1.3x = 3.4x
1.1 + 3.4x = -2.6 + -1.3x + 1.3x

Combine like terms: -1.3x + 1.3x = 0.0
1.1 + 3.4x = -2.6 + 0.0
1.1 + 3.4x = -2.6

Add '-1.1' to each side of the equation.
1.1 + -1.1 + 3.4x = -2.6 + -1.1

Combine like terms: 1.1 + -1.1 = 0.0
0.0 + 3.4x = -2.6 + -1.1
3.4x = -2.6 + -1.1

Combine like terms: -2.6 + -1.1 = -3.7
3.4x = -3.7

Divide each side by '3.4'.
x = -1.088235294

Simplifying
x = -1.088235294

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