-9d-8=-2(d+4)-70

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Solution for -9d-8=-2(d+4)-70 equation:


Simplifying
-9d + -8 = -2(d + 4) + -70

Reorder the terms:
-8 + -9d = -2(d + 4) + -70

Reorder the terms:
-8 + -9d = -2(4 + d) + -70
-8 + -9d = (4 * -2 + d * -2) + -70
-8 + -9d = (-8 + -2d) + -70

Reorder the terms:
-8 + -9d = -8 + -70 + -2d

Combine like terms: -8 + -70 = -78
-8 + -9d = -78 + -2d

Solving
-8 + -9d = -78 + -2d

Solving for variable 'd'.

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

Add '2d' to each side of the equation.
-8 + -9d + 2d = -78 + -2d + 2d

Combine like terms: -9d + 2d = -7d
-8 + -7d = -78 + -2d + 2d

Combine like terms: -2d + 2d = 0
-8 + -7d = -78 + 0
-8 + -7d = -78

Add '8' to each side of the equation.
-8 + 8 + -7d = -78 + 8

Combine like terms: -8 + 8 = 0
0 + -7d = -78 + 8
-7d = -78 + 8

Combine like terms: -78 + 8 = -70
-7d = -70

Divide each side by '-7'.
d = 10

Simplifying
d = 10

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