10d+7=77

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Solution for 10d+7=77 equation: 


Simplifying
10d + 7 = 77

Reorder the terms:
7 + 10d = 77

Solving
7 + 10d = 77

Solving for variable 'd'.

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

Add '-7' to each side of the equation.
7 + -7 + 10d = 77 + -7

Combine like terms: 7 + -7 = 0
0 + 10d = 77 + -7
10d = 77 + -7

Combine like terms: 77 + -7 = 70
10d = 70

Divide each side by '10'.
d = 7

Simplifying
d = 7

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