2d+3.1=1.4-2d

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Solution for 2d+3.1=1.4-2d equation: 


Simplifying
2d + 3.1 = 1.4 + -2d

Reorder the terms:
3.1 + 2d = 1.4 + -2d

Solving
3.1 + 2d = 1.4 + -2d

Solving for variable 'd'.

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

Add '2d' to each side of the equation.
3.1 + 2d + 2d = 1.4 + -2d + 2d

Combine like terms: 2d + 2d = 4d
3.1 + 4d = 1.4 + -2d + 2d

Combine like terms: -2d + 2d = 0
3.1 + 4d = 1.4 + 0
3.1 + 4d = 1.4

Add '-3.1' to each side of the equation.
3.1 + -3.1 + 4d = 1.4 + -3.1

Combine like terms: 3.1 + -3.1 = 0.0
0.0 + 4d = 1.4 + -3.1
4d = 1.4 + -3.1

Combine like terms: 1.4 + -3.1 = -1.7
4d = -1.7

Divide each side by '4'.
d = -0.425

Simplifying
d = -0.425

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