.5(2d+8)=7(2d+8)

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Solution for .5(2d+8)=7(2d+8) equation:


Simplifying
0.5(2d + 8) = 7(2d + 8)

Reorder the terms:
0.5(8 + 2d) = 7(2d + 8)
(8 * 0.5 + 2d * 0.5) = 7(2d + 8)
(4 + 1d) = 7(2d + 8)

Reorder the terms:
4 + 1d = 7(8 + 2d)
4 + 1d = (8 * 7 + 2d * 7)
4 + 1d = (56 + 14d)

Solving
4 + 1d = 56 + 14d

Solving for variable 'd'.

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

Add '-14d' to each side of the equation.
4 + 1d + -14d = 56 + 14d + -14d

Combine like terms: 1d + -14d = -13d
4 + -13d = 56 + 14d + -14d

Combine like terms: 14d + -14d = 0
4 + -13d = 56 + 0
4 + -13d = 56

Add '-4' to each side of the equation.
4 + -4 + -13d = 56 + -4

Combine like terms: 4 + -4 = 0
0 + -13d = 56 + -4
-13d = 56 + -4

Combine like terms: 56 + -4 = 52
-13d = 52

Divide each side by '-13'.
d = -4

Simplifying
d = -4

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