7=15-2(-3+7)

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Solution for 7=15-2(-3+7) equation: 


Simplifying
7 = 15 + -2(-3 + 7)

Combine like terms: -3 + 7 = 4
7 = 15 + -2(4)

Multiply -2 * 4
7 = 15 + -8

Combine like terms: 15 + -8 = 7
7 = 7

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

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

Combine like terms: 7 + -7 = 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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