-1=2(3)-7d

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Solution for -1=2(3)-7d equation:


Simplifying
-1 = 2(3) + -7d

Multiply 2 * 3
-1 = 6 + -7d

Solving
-1 = 6 + -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 + 7d = 6 + -7d + 7d

Combine like terms: -7d + 7d = 0
-1 + 7d = 6 + 0
-1 + 7d = 6

Add '1' to each side of the equation.
-1 + 1 + 7d = 6 + 1

Combine like terms: -1 + 1 = 0
0 + 7d = 6 + 1
7d = 6 + 1

Combine like terms: 6 + 1 = 7
7d = 7

Divide each side by '7'.
d = 1

Simplifying
d = 1

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