0.7x+2.3(x-1)=x-3.1

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Solution for 0.7x+2.3(x-1)=x-3.1 equation: 


Simplifying
0.7x + 2.3(x + -1) = x + -3.1

Reorder the terms:
0.7x + 2.3(-1 + x) = x + -3.1
0.7x + (-1 * 2.3 + x * 2.3) = x + -3.1
0.7x + (-2.3 + 2.3x) = x + -3.1

Reorder the terms:
-2.3 + 0.7x + 2.3x = x + -3.1

Combine like terms: 0.7x + 2.3x = 3x
-2.3 + 3x = x + -3.1

Reorder the terms:
-2.3 + 3x = -3.1 + x

Solving
-2.3 + 3x = -3.1 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-2.3 + 3x + -1x = -3.1 + x + -1x

Combine like terms: 3x + -1x = 2x
-2.3 + 2x = -3.1 + x + -1x

Combine like terms: x + -1x = 0
-2.3 + 2x = -3.1 + 0
-2.3 + 2x = -3.1

Add '2.3' to each side of the equation.
-2.3 + 2.3 + 2x = -3.1 + 2.3

Combine like terms: -2.3 + 2.3 = 0.0
0.0 + 2x = -3.1 + 2.3
2x = -3.1 + 2.3

Combine like terms: -3.1 + 2.3 = -0.8
2x = -0.8

Divide each side by '2'.
x = -0.4

Simplifying
x = -0.4

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