4d+3=7d+15

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Solution for 4d+3=7d+15 equation:


Simplifying
4d + 3 = 7d + 15

Reorder the terms:
3 + 4d = 7d + 15

Reorder the terms:
3 + 4d = 15 + 7d

Solving
3 + 4d = 15 + 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.
3 + 4d + -7d = 15 + 7d + -7d

Combine like terms: 4d + -7d = -3d
3 + -3d = 15 + 7d + -7d

Combine like terms: 7d + -7d = 0
3 + -3d = 15 + 0
3 + -3d = 15

Add '-3' to each side of the equation.
3 + -3 + -3d = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -3d = 15 + -3
-3d = 15 + -3

Combine like terms: 15 + -3 = 12
-3d = 12

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

Simplifying
d = -4

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