-7(-3)+9=3(1-3(-3))

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Solution for -7(-3)+9=3(1-3(-3)) equation:


Simplifying
-7(-3) + 9 = 3(1 + -3(-3))

Multiply -7 * -3
21 + 9 = 3(1 + -3(-3))

Combine like terms: 21 + 9 = 30
30 = 3(1 + -3(-3))

Multiply -3 * -3
30 = 3(1 + 9)

Combine like terms: 1 + 9 = 10
30 = 3(10)

Multiply 3 * 10
30 = 30

Add '-30' to each side of the equation.
30 + -30 = 30 + -30

Combine like terms: 30 + -30 = 0
0 = 30 + -30

Combine like terms: 30 + -30 = 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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