9-2(5d+4)=-3(2d-7)-10

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Solution for 9-2(5d+4)=-3(2d-7)-10 equation:


Simplifying
9 + -2(5d + 4) = -3(2d + -7) + -10

Reorder the terms:
9 + -2(4 + 5d) = -3(2d + -7) + -10
9 + (4 * -2 + 5d * -2) = -3(2d + -7) + -10
9 + (-8 + -10d) = -3(2d + -7) + -10

Combine like terms: 9 + -8 = 1
1 + -10d = -3(2d + -7) + -10

Reorder the terms:
1 + -10d = -3(-7 + 2d) + -10
1 + -10d = (-7 * -3 + 2d * -3) + -10
1 + -10d = (21 + -6d) + -10

Reorder the terms:
1 + -10d = 21 + -10 + -6d

Combine like terms: 21 + -10 = 11
1 + -10d = 11 + -6d

Solving
1 + -10d = 11 + -6d

Solving for variable 'd'.

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

Add '6d' to each side of the equation.
1 + -10d + 6d = 11 + -6d + 6d

Combine like terms: -10d + 6d = -4d
1 + -4d = 11 + -6d + 6d

Combine like terms: -6d + 6d = 0
1 + -4d = 11 + 0
1 + -4d = 11

Add '-1' to each side of the equation.
1 + -1 + -4d = 11 + -1

Combine like terms: 1 + -1 = 0
0 + -4d = 11 + -1
-4d = 11 + -1

Combine like terms: 11 + -1 = 10
-4d = 10

Divide each side by '-4'.
d = -2.5

Simplifying
d = -2.5

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