1+4d=-2d+7d+7

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Solution for 1+4d=-2d+7d+7 equation:


Simplifying
1 + 4d = -2d + 7d + 7

Reorder the terms:
1 + 4d = 7 + -2d + 7d

Combine like terms: -2d + 7d = 5d
1 + 4d = 7 + 5d

Solving
1 + 4d = 7 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
1 + 4d + -5d = 7 + 5d + -5d

Combine like terms: 4d + -5d = -1d
1 + -1d = 7 + 5d + -5d

Combine like terms: 5d + -5d = 0
1 + -1d = 7 + 0
1 + -1d = 7

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

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

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

Divide each side by '-1'.
d = -6

Simplifying
d = -6

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