-13=7d+64

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Solution for -13=7d+64 equation:


Simplifying
-13 = 7d + 64

Reorder the terms:
-13 = 64 + 7d

Solving
-13 = 64 + 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.
-13 + -7d = 64 + 7d + -7d

Combine like terms: 7d + -7d = 0
-13 + -7d = 64 + 0
-13 + -7d = 64

Add '13' to each side of the equation.
-13 + 13 + -7d = 64 + 13

Combine like terms: -13 + 13 = 0
0 + -7d = 64 + 13
-7d = 64 + 13

Combine like terms: 64 + 13 = 77
-7d = 77

Divide each side by '-7'.
d = -11

Simplifying
d = -11

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