7+3rd=-5

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Solution for 7+3rd=-5 equation: 


Simplifying
7 + 3rd = -5

Solving
7 + 3dr = -5

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 + -7 + 3dr = -5 + -7

Combine like terms: 7 + -7 = 0
0 + 3dr = -5 + -7
3dr = -5 + -7

Combine like terms: -5 + -7 = -12
3dr = -12

Divide each side by '3r'.
d = -4r-1

Simplifying
d = -4r-1

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