9d+7=2d+70

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Solution for 9d+7=2d+70 equation:


Simplifying
9d + 7 = 2d + 70

Reorder the terms:
7 + 9d = 2d + 70

Reorder the terms:
7 + 9d = 70 + 2d

Solving
7 + 9d = 70 + 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.
7 + 9d + -2d = 70 + 2d + -2d

Combine like terms: 9d + -2d = 7d
7 + 7d = 70 + 2d + -2d

Combine like terms: 2d + -2d = 0
7 + 7d = 70 + 0
7 + 7d = 70

Add '-7' to each side of the equation.
7 + -7 + 7d = 70 + -7

Combine like terms: 7 + -7 = 0
0 + 7d = 70 + -7
7d = 70 + -7

Combine like terms: 70 + -7 = 63
7d = 63

Divide each side by '7'.
d = 9

Simplifying
d = 9

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