4(d+3)=7d

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Solution for 4(d+3)=7d equation:


Simplifying
4(d + 3) = 7d

Reorder the terms:
4(3 + d) = 7d
(3 * 4 + d * 4) = 7d
(12 + 4d) = 7d

Solving
12 + 4d = 7d

Solving for variable 'd'.

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

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

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

Combine like terms: 7d + -7d = 0
12 + -3d = 0

Add '-12' to each side of the equation.
12 + -12 + -3d = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -3d = 0 + -12
-3d = 0 + -12

Combine like terms: 0 + -12 = -12
-3d = -12

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

Simplifying
d = 4

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