12-4(d-3)=20

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Solution for 12-4(d-3)=20 equation:


Simplifying
12 + -4(d + -3) = 20

Reorder the terms:
12 + -4(-3 + d) = 20
12 + (-3 * -4 + d * -4) = 20
12 + (12 + -4d) = 20

Combine like terms: 12 + 12 = 24
24 + -4d = 20

Solving
24 + -4d = 20

Solving for variable 'd'.

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

Add '-24' to each side of the equation.
24 + -24 + -4d = 20 + -24

Combine like terms: 24 + -24 = 0
0 + -4d = 20 + -24
-4d = 20 + -24

Combine like terms: 20 + -24 = -4
-4d = -4

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

Simplifying
d = 1

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