d+d+1.25=6.5

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Solution for d+d+1.25=6.5 equation: 


Simplifying
d + d + 1.25 = 6.5

Reorder the terms:
1.25 + d + d = 6.5

Combine like terms: d + d = 2d
1.25 + 2d = 6.5

Solving
1.25 + 2d = 6.5

Solving for variable 'd'.

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

Add '-1.25' to each side of the equation.
1.25 + -1.25 + 2d = 6.5 + -1.25

Combine like terms: 1.25 + -1.25 = 0.00
0.00 + 2d = 6.5 + -1.25
2d = 6.5 + -1.25

Combine like terms: 6.5 + -1.25 = 5.25
2d = 5.25

Divide each side by '2'.
d = 2.625

Simplifying
d = 2.625

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