3(d-1)=2d+7

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


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

Reorder the terms:
3(-1 + d) = 2d + 7
(-1 * 3 + d * 3) = 2d + 7
(-3 + 3d) = 2d + 7

Reorder the terms:
-3 + 3d = 7 + 2d

Solving
-3 + 3d = 7 + 2d

Solving for variable 'd'.

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

Add '-2d' to each side of the equation.
-3 + 3d + -2d = 7 + 2d + -2d

Combine like terms: 3d + -2d = 1d
-3 + 1d = 7 + 2d + -2d

Combine like terms: 2d + -2d = 0
-3 + 1d = 7 + 0
-3 + 1d = 7

Add '3' to each side of the equation.
-3 + 3 + 1d = 7 + 3

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

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

Divide each side by '1'.
d = 10

Simplifying
d = 10

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