-25d+2s-7+15s-20d=

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Solution for -25d+2s-7+15s-20d= equation:


Simplifying
-25d + 2s + -7 + 15s + -20d = 0

Reorder the terms:
-7 + -25d + -20d + 2s + 15s = 0

Combine like terms: -25d + -20d = -45d
-7 + -45d + 2s + 15s = 0

Combine like terms: 2s + 15s = 17s
-7 + -45d + 17s = 0

Solving
-7 + -45d + 17s = 0

Solving for variable 'd'.

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

Add '7' to each side of the equation.
-7 + -45d + 7 + 17s = 0 + 7

Reorder the terms:
-7 + 7 + -45d + 17s = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -45d + 17s = 0 + 7
-45d + 17s = 0 + 7

Combine like terms: 0 + 7 = 7
-45d + 17s = 7

Add '-17s' to each side of the equation.
-45d + 17s + -17s = 7 + -17s

Combine like terms: 17s + -17s = 0
-45d + 0 = 7 + -17s
-45d = 7 + -17s

Divide each side by '-45'.
d = -0.1555555556 + 0.3777777778s

Simplifying
d = -0.1555555556 + 0.3777777778s

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