3d+7.1=2.5d+11.5

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Solution for 3d+7.1=2.5d+11.5 equation:


Simplifying
3d + 7.1 = 2.5d + 11.5

Reorder the terms:
7.1 + 3d = 2.5d + 11.5

Reorder the terms:
7.1 + 3d = 11.5 + 2.5d

Solving
7.1 + 3d = 11.5 + 2.5d

Solving for variable 'd'.

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

Add '-2.5d' to each side of the equation.
7.1 + 3d + -2.5d = 11.5 + 2.5d + -2.5d

Combine like terms: 3d + -2.5d = 0.5d
7.1 + 0.5d = 11.5 + 2.5d + -2.5d

Combine like terms: 2.5d + -2.5d = 0.0
7.1 + 0.5d = 11.5 + 0.0
7.1 + 0.5d = 11.5

Add '-7.1' to each side of the equation.
7.1 + -7.1 + 0.5d = 11.5 + -7.1

Combine like terms: 7.1 + -7.1 = 0.0
0.0 + 0.5d = 11.5 + -7.1
0.5d = 11.5 + -7.1

Combine like terms: 11.5 + -7.1 = 4.4
0.5d = 4.4

Divide each side by '0.5'.
d = 8.8

Simplifying
d = 8.8

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