3(2-1d)+5d=7

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Solution for 3(2-1d)+5d=7 equation:


Simplifying
3(2 + -1d) + 5d = 7
(2 * 3 + -1d * 3) + 5d = 7
(6 + -3d) + 5d = 7

Combine like terms: -3d + 5d = 2d
6 + 2d = 7

Solving
6 + 2d = 7

Solving for variable 'd'.

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

Add '-6' to each side of the equation.
6 + -6 + 2d = 7 + -6

Combine like terms: 6 + -6 = 0
0 + 2d = 7 + -6
2d = 7 + -6

Combine like terms: 7 + -6 = 1
2d = 1

Divide each side by '2'.
d = 0.5

Simplifying
d = 0.5

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