5+2d-6d+7=4(2d-9)

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Solution for 5+2d-6d+7=4(2d-9) equation:


Simplifying
5 + 2d + -6d + 7 = 4(2d + -9)

Reorder the terms:
5 + 7 + 2d + -6d = 4(2d + -9)

Combine like terms: 5 + 7 = 12
12 + 2d + -6d = 4(2d + -9)

Combine like terms: 2d + -6d = -4d
12 + -4d = 4(2d + -9)

Reorder the terms:
12 + -4d = 4(-9 + 2d)
12 + -4d = (-9 * 4 + 2d * 4)
12 + -4d = (-36 + 8d)

Solving
12 + -4d = -36 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
12 + -4d + -8d = -36 + 8d + -8d

Combine like terms: -4d + -8d = -12d
12 + -12d = -36 + 8d + -8d

Combine like terms: 8d + -8d = 0
12 + -12d = -36 + 0
12 + -12d = -36

Add '-12' to each side of the equation.
12 + -12 + -12d = -36 + -12

Combine like terms: 12 + -12 = 0
0 + -12d = -36 + -12
-12d = -36 + -12

Combine like terms: -36 + -12 = -48
-12d = -48

Divide each side by '-12'.
d = 4

Simplifying
d = 4

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