2-(10(-1)+7)=2(1-6(-1))-9

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Solution for 2-(10(-1)+7)=2(1-6(-1))-9 equation: 


Simplifying
2 + -1(10(-1) + 7) = 2(1 + -6(-1)) + -9

Multiply 10 * -1
2 + -1(-10 + 7) = 2(1 + -6(-1)) + -9

Combine like terms: -10 + 7 = -3
2 + -1(-3) = 2(1 + -6(-1)) + -9

Multiply -1 * -3
2 + 3 = 2(1 + -6(-1)) + -9

Combine like terms: 2 + 3 = 5
5 = 2(1 + -6(-1)) + -9

Multiply -6 * -1
5 = 2(1 + 6) + -9

Combine like terms: 1 + 6 = 7
5 = 2(7) + -9

Multiply 2 * 7
5 = 14 + -9

Combine like terms: 14 + -9 = 5
5 = 5

Add '-5' to each side of the equation.
5 + -5 = 5 + -5

Combine like terms: 5 + -5 = 0
0 = 5 + -5

Combine like terms: 5 + -5 = 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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