7s+4d=-12

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Solution for 7s+4d=-12 equation: 


Simplifying
7s + 4d = -12

Reorder the terms:
4d + 7s = -12

Solving
4d + 7s = -12

Solving for variable 'd'.

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

Add '-7s' to each side of the equation.
4d + 7s + -7s = -12 + -7s

Combine like terms: 7s + -7s = 0
4d + 0 = -12 + -7s
4d = -12 + -7s

Divide each side by '4'.
d = -3 + -1.75s

Simplifying
d = -3 + -1.75s

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