3r-5(r+6)=d

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Solution for 3r-5(r+6)=d equation:


Simplifying
3r + -5(r + 6) = d

Reorder the terms:
3r + -5(6 + r) = d
3r + (6 * -5 + r * -5) = d
3r + (-30 + -5r) = d

Reorder the terms:
-30 + 3r + -5r = d

Combine like terms: 3r + -5r = -2r
-30 + -2r = d

Solving
-30 + -2r = d

Solving for variable 'r'.

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

Add '30' to each side of the equation.
-30 + 30 + -2r = 30 + d

Combine like terms: -30 + 30 = 0
0 + -2r = 30 + d
-2r = 30 + d

Divide each side by '-2'.
r = -15 + -0.5d

Simplifying
r = -15 + -0.5d

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