3d+s-66=d-3s

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Solution for 3d+s-66=d-3s equation:


Simplifying
3d + s + -66 = d + -3s

Reorder the terms:
-66 + 3d + s = d + -3s

Solving
-66 + 3d + s = d + -3s

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
-66 + 3d + -1d + s = d + -1d + -3s

Combine like terms: 3d + -1d = 2d
-66 + 2d + s = d + -1d + -3s

Combine like terms: d + -1d = 0
-66 + 2d + s = 0 + -3s
-66 + 2d + s = -3s

Add '66' to each side of the equation.
-66 + 2d + 66 + s = 66 + -3s

Reorder the terms:
-66 + 66 + 2d + s = 66 + -3s

Combine like terms: -66 + 66 = 0
0 + 2d + s = 66 + -3s
2d + s = 66 + -3s

Add '-1s' to each side of the equation.
2d + s + -1s = 66 + -3s + -1s

Combine like terms: s + -1s = 0
2d + 0 = 66 + -3s + -1s
2d = 66 + -3s + -1s

Combine like terms: -3s + -1s = -4s
2d = 66 + -4s

Divide each side by '2'.
d = 33 + -2s

Simplifying
d = 33 + -2s

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