5r+6d-2r+9-2d+3=

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Solution for 5r+6d-2r+9-2d+3= equation:


Simplifying
5r + 6d + -2r + 9 + -2d + 3 = 0

Reorder the terms:
9 + 3 + 6d + -2d + 5r + -2r = 0

Combine like terms: 9 + 3 = 12
12 + 6d + -2d + 5r + -2r = 0

Combine like terms: 6d + -2d = 4d
12 + 4d + 5r + -2r = 0

Combine like terms: 5r + -2r = 3r
12 + 4d + 3r = 0

Solving
12 + 4d + 3r = 0

Solving for variable 'd'.

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

Add '-12' to each side of the equation.
12 + 4d + -12 + 3r = 0 + -12

Reorder the terms:
12 + -12 + 4d + 3r = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 4d + 3r = 0 + -12
4d + 3r = 0 + -12

Combine like terms: 0 + -12 = -12
4d + 3r = -12

Add '-3r' to each side of the equation.
4d + 3r + -3r = -12 + -3r

Combine like terms: 3r + -3r = 0
4d + 0 = -12 + -3r
4d = -12 + -3r

Divide each side by '4'.
d = -3 + -0.75r

Simplifying
d = -3 + -0.75r

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