10d+1=7d+13

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Solution for 10d+1=7d+13 equation:


Simplifying
10d + 1 = 7d + 13

Reorder the terms:
1 + 10d = 7d + 13

Reorder the terms:
1 + 10d = 13 + 7d

Solving
1 + 10d = 13 + 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.
1 + 10d + -7d = 13 + 7d + -7d

Combine like terms: 10d + -7d = 3d
1 + 3d = 13 + 7d + -7d

Combine like terms: 7d + -7d = 0
1 + 3d = 13 + 0
1 + 3d = 13

Add '-1' to each side of the equation.
1 + -1 + 3d = 13 + -1

Combine like terms: 1 + -1 = 0
0 + 3d = 13 + -1
3d = 13 + -1

Combine like terms: 13 + -1 = 12
3d = 12

Divide each side by '3'.
d = 4

Simplifying
d = 4

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