2+7(d+1)=9+7d

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Solution for 2+7(d+1)=9+7d equation: 


Simplifying
2 + 7(d + 1) = 9 + 7d

Reorder the terms:
2 + 7(1 + d) = 9 + 7d
2 + (1 * 7 + d * 7) = 9 + 7d
2 + (7 + 7d) = 9 + 7d

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

Add '-9' to each side of the equation.
9 + -9 + 7d = 9 + -9 + 7d

Combine like terms: 9 + -9 = 0
0 + 7d = 9 + -9 + 7d
7d = 9 + -9 + 7d

Combine like terms: 9 + -9 = 0
7d = 0 + 7d
7d = 7d

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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