3(d+-7)+12=3

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Solution for 3(d+-7)+12=3 equation:


Simplifying
3(d + -7) + 12 = 3

Reorder the terms:
3(-7 + d) + 12 = 3
(-7 * 3 + d * 3) + 12 = 3
(-21 + 3d) + 12 = 3

Reorder the terms:
-21 + 12 + 3d = 3

Combine like terms: -21 + 12 = -9
-9 + 3d = 3

Solving
-9 + 3d = 3

Solving for variable 'd'.

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

Add '9' to each side of the equation.
-9 + 9 + 3d = 3 + 9

Combine like terms: -9 + 9 = 0
0 + 3d = 3 + 9
3d = 3 + 9

Combine like terms: 3 + 9 = 12
3d = 12

Divide each side by '3'.
d = 4

Simplifying
d = 4

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