1=5-2(7-1(5))

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Solution for 1=5-2(7-1(5)) equation: 


Simplifying
1 = 5 + -2(7 + -1(5))

Multiply -1 * 5
1 = 5 + -2(7 + -5)

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

Multiply -2 * 2
1 = 5 + -4

Combine like terms: 5 + -4 = 1
1 = 1

Add '-1' to each side of the equation.
1 + -1 = 1 + -1

Combine like terms: 1 + -1 = 0
0 = 1 + -1

Combine like terms: 1 + -1 = 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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