3d+4d=13-12

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Solution for 3d+4d=13-12 equation: 


Simplifying
3d + 4d = 13 + -12

Combine like terms: 3d + 4d = 7d
7d = 13 + -12

Combine like terms: 13 + -12 = 1
7d = 1

Solving
7d = 1

Solving for variable 'd'.

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

Divide each side by '7'.
d = 0.1428571429

Simplifying
d = 0.1428571429

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