2(1+2+3+4+5+6+7)=

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Solution for 2(1+2+3+4+5+6+7)= equation: 


Simplifying
2(1 + 2 + 3 + 4 + 5 + 6 + 7) = 0

Combine like terms: 1 + 2 = 3
2(3 + 3 + 4 + 5 + 6 + 7) = 0

Combine like terms: 3 + 3 = 6
2(6 + 4 + 5 + 6 + 7) = 0

Combine like terms: 6 + 4 = 10
2(10 + 5 + 6 + 7) = 0

Combine like terms: 10 + 5 = 15
2(15 + 6 + 7) = 0

Combine like terms: 15 + 6 = 21
2(21 + 7) = 0

Combine like terms: 21 + 7 = 28
2(28) = 0

Multiply 2 * 28
56 = 0

Solving
56 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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