2.5d+1=3d-r

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Solution for 2.5d+1=3d-r equation:


Simplifying
2.5d + 1 = 3d + -1r

Reorder the terms:
1 + 2.5d = 3d + -1r

Solving
1 + 2.5d = 3d + -1r

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
1 + 2.5d + -3d = 3d + -3d + -1r

Combine like terms: 2.5d + -3d = -0.5d
1 + -0.5d = 3d + -3d + -1r

Combine like terms: 3d + -3d = 0
1 + -0.5d = 0 + -1r
1 + -0.5d = -1r

Add '-1' to each side of the equation.
1 + -1 + -0.5d = -1 + -1r

Combine like terms: 1 + -1 = 0
0 + -0.5d = -1 + -1r
-0.5d = -1 + -1r

Divide each side by '-0.5'.
d = 2 + 2r

Simplifying
d = 2 + 2r

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